25767280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 77137920

約数和(自身を除く): 51370640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 89, 94, 110, 112, 140, 154, 176, 178, 188, 220, 235, 280, 308, 329, 356, 376, 385, 440, 445, 470, 517, 560, 616, 623, 658, 712, 752, 770, 880, 890, 940, 979, 1034, 1232, 1246, 1316, 1424, 1540, 1645, 1780, 1880, 1958, 2068, 2492, 2585, 2632, 3080, 3115, 3290, 3560, 3619, 3760, 3916, 4136, 4183, 4895, 4984, 5170, 5264, 6160, 6230, 6580, 6853, 7120, 7238, 7832, 8272, 8366, 9790, 9968, 10340, 12460, 13160, 13706, 14476, 15664, 16732, 18095, 19580, 20680, 20915, 24920, 26320, 27412, 28952, 29281, 33464, 34265, 36190, 39160, 41360, 41830, 46013, 49840, 54824, 57904, 58562, 66928, 68530, 72380, 78320, 83660, 92026, 109648, 117124, 137060, 144760, 146405, 167320, 184052, 230065, 234248, 274120, 289520, 292810, 322091, 334640, 368104, 460130, 468496, 548240, 585620, 644182, 736208, 920260, 1171240, 1288364, 1610455, 1840520, 2342480, 2576728, 3220910, 3681040, 5153456, 6441820, 12883640, 25767280]

約数ペア:

[(1, 25767280), (2, 12883640), (4, 6441820), (5, 5153456), (7, 3681040), (8, 3220910), (10, 2576728), (11, 2342480), (14, 1840520), (16, 1610455), (20, 1288364), (22, 1171240), (28, 920260), (35, 736208), (40, 644182), (44, 585620), (47, 548240), (55, 468496), (56, 460130), (70, 368104), (77, 334640), (80, 322091), (88, 292810), (89, 289520), (94, 274120), (110, 234248), (112, 230065), (140, 184052), (154, 167320), (176, 146405), (178, 144760), (188, 137060), (220, 117124), (235, 109648), (280, 92026), (308, 83660), (329, 78320), (356, 72380), (376, 68530), (385, 66928), (440, 58562), (445, 57904), (470, 54824), (517, 49840), (560, 46013), (616, 41830), (623, 41360), (658, 39160), (712, 36190), (752, 34265), (770, 33464), (880, 29281), (890, 28952), (940, 27412), (979, 26320), (1034, 24920), (1232, 20915), (1246, 20680), (1316, 19580), (1424, 18095), (1540, 16732), (1645, 15664), (1780, 14476), (1880, 13706), (1958, 13160), (2068, 12460), (2492, 10340), (2585, 9968), (2632, 9790), (3080, 8366), (3115, 8272), (3290, 7832), (3560, 7238), (3619, 7120), (3760, 6853), (3916, 6580), (4136, 6230), (4183, 6160), (4895, 5264), (4984, 5170)]