25440800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 216

約数和(自身を含む): 80151120

約数和(自身を除く): 54710320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 59, 70, 77, 80, 88, 98, 100, 110, 112, 118, 140, 154, 160, 175, 176, 196, 200, 220, 224, 236, 245, 275, 280, 295, 308, 350, 352, 385, 392, 400, 413, 440, 472, 490, 539, 550, 560, 590, 616, 649, 700, 770, 784, 800, 826, 880, 944, 980, 1078, 1100, 1120, 1180, 1225, 1232, 1298, 1400, 1475, 1540, 1568, 1652, 1760, 1888, 1925, 1960, 2065, 2156, 2200, 2360, 2450, 2464, 2596, 2695, 2800, 2891, 2950, 3080, 3245, 3304, 3850, 3920, 4130, 4312, 4400, 4543, 4720, 4900, 5192, 5390, 5600, 5782, 5900, 6160, 6490, 6608, 7700, 7840, 8260, 8624, 8800, 9086, 9440, 9800, 10325, 10384, 10780, 11564, 11800, 12320, 12980, 13216, 13475, 14455, 15400, 16225, 16520, 17248, 18172, 19600, 20650, 20768, 21560, 22715, 23128, 23600, 25960, 26950, 28910, 30800, 31801, 32450, 33040, 36344, 39200, 41300, 43120, 45430, 46256, 47200, 51920, 53900, 57820, 61600, 63602, 64900, 66080, 72275, 72688, 82600, 86240, 90860, 92512, 103840, 107800, 113575, 115640, 127204, 129800, 144550, 145376, 159005, 165200, 181720, 215600, 227150, 231280, 254408, 259600, 289100, 318010, 330400, 363440, 431200, 454300, 462560, 508816, 519200, 578200, 636020, 726880, 795025, 908600, 1017632, 1156400, 1272040, 1590050, 1817200, 2312800, 2544080, 3180100, 3634400, 5088160, 6360200, 12720400, 25440800]

約数ペア:

[(1, 25440800), (2, 12720400), (4, 6360200), (5, 5088160), (7, 3634400), (8, 3180100), (10, 2544080), (11, 2312800), (14, 1817200), (16, 1590050), (20, 1272040), (22, 1156400), (25, 1017632), (28, 908600), (32, 795025), (35, 726880), (40, 636020), (44, 578200), (49, 519200), (50, 508816), (55, 462560), (56, 454300), (59, 431200), (70, 363440), (77, 330400), (80, 318010), (88, 289100), (98, 259600), (100, 254408), (110, 231280), (112, 227150), (118, 215600), (140, 181720), (154, 165200), (160, 159005), (175, 145376), (176, 144550), (196, 129800), (200, 127204), (220, 115640), (224, 113575), (236, 107800), (245, 103840), (275, 92512), (280, 90860), (295, 86240), (308, 82600), (350, 72688), (352, 72275), (385, 66080), (392, 64900), (400, 63602), (413, 61600), (440, 57820), (472, 53900), (490, 51920), (539, 47200), (550, 46256), (560, 45430), (590, 43120), (616, 41300), (649, 39200), (700, 36344), (770, 33040), (784, 32450), (800, 31801), (826, 30800), (880, 28910), (944, 26950), (980, 25960), (1078, 23600), (1100, 23128), (1120, 22715), (1180, 21560), (1225, 20768), (1232, 20650), (1298, 19600), (1400, 18172), (1475, 17248), (1540, 16520), (1568, 16225), (1652, 15400), (1760, 14455), (1888, 13475), (1925, 13216), (1960, 12980), (2065, 12320), (2156, 11800), (2200, 11564), (2360, 10780), (2450, 10384), (2464, 10325), (2596, 9800), (2695, 9440), (2800, 9086), (2891, 8800), (2950, 8624), (3080, 8260), (3245, 7840), (3304, 7700), (3850, 6608), (3920, 6490), (4130, 6160), (4312, 5900), (4400, 5782), (4543, 5600), (4720, 5390), (4900, 5192)]