25487000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 74580480

約数和(自身を除く): 49093480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 250, 275, 280, 308, 331, 350, 385, 440, 500, 550, 616, 662, 700, 770, 875, 1000, 1100, 1324, 1375, 1400, 1540, 1655, 1750, 1925, 2200, 2317, 2648, 2750, 3080, 3310, 3500, 3641, 3850, 4634, 5500, 6620, 7000, 7282, 7700, 8275, 9268, 9625, 11000, 11585, 13240, 14564, 15400, 16550, 18205, 18536, 19250, 23170, 25487, 29128, 33100, 36410, 38500, 41375, 46340, 50974, 57925, 66200, 72820, 77000, 82750, 91025, 92680, 101948, 115850, 127435, 145640, 165500, 182050, 203896, 231700, 254870, 289625, 331000, 364100, 455125, 463400, 509740, 579250, 637175, 728200, 910250, 1019480, 1158500, 1274350, 1820500, 2317000, 2548700, 3185875, 3641000, 5097400, 6371750, 12743500, 25487000]

約数ペア:

[(1, 25487000), (2, 12743500), (4, 6371750), (5, 5097400), (7, 3641000), (8, 3185875), (10, 2548700), (11, 2317000), (14, 1820500), (20, 1274350), (22, 1158500), (25, 1019480), (28, 910250), (35, 728200), (40, 637175), (44, 579250), (50, 509740), (55, 463400), (56, 455125), (70, 364100), (77, 331000), (88, 289625), (100, 254870), (110, 231700), (125, 203896), (140, 182050), (154, 165500), (175, 145640), (200, 127435), (220, 115850), (250, 101948), (275, 92680), (280, 91025), (308, 82750), (331, 77000), (350, 72820), (385, 66200), (440, 57925), (500, 50974), (550, 46340), (616, 41375), (662, 38500), (700, 36410), (770, 33100), (875, 29128), (1000, 25487), (1100, 23170), (1324, 19250), (1375, 18536), (1400, 18205), (1540, 16550), (1655, 15400), (1750, 14564), (1925, 13240), (2200, 11585), (2317, 11000), (2648, 9625), (2750, 9268), (3080, 8275), (3310, 7700), (3500, 7282), (3641, 7000), (3850, 6620), (4634, 5500)]