25852640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 68602464

約数和(自身を除く): 42749824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 397, 407, 440, 592, 740, 794, 814, 880, 1184, 1480, 1588, 1628, 1760, 1985, 2035, 2960, 3176, 3256, 3970, 4070, 4367, 5920, 6352, 6512, 7940, 8140, 8734, 12704, 13024, 14689, 15880, 16280, 17468, 21835, 29378, 31760, 32560, 34936, 43670, 58756, 63520, 65120, 69872, 73445, 87340, 117512, 139744, 146890, 161579, 174680, 235024, 293780, 323158, 349360, 470048, 587560, 646316, 698720, 807895, 1175120, 1292632, 1615790, 2350240, 2585264, 3231580, 5170528, 6463160, 12926320, 25852640]

約数ペア:

[(1, 25852640), (2, 12926320), (4, 6463160), (5, 5170528), (8, 3231580), (10, 2585264), (11, 2350240), (16, 1615790), (20, 1292632), (22, 1175120), (32, 807895), (37, 698720), (40, 646316), (44, 587560), (55, 470048), (74, 349360), (80, 323158), (88, 293780), (110, 235024), (148, 174680), (160, 161579), (176, 146890), (185, 139744), (220, 117512), (296, 87340), (352, 73445), (370, 69872), (397, 65120), (407, 63520), (440, 58756), (592, 43670), (740, 34936), (794, 32560), (814, 31760), (880, 29378), (1184, 21835), (1480, 17468), (1588, 16280), (1628, 15880), (1760, 14689), (1985, 13024), (2035, 12704), (2960, 8734), (3176, 8140), (3256, 7940), (3970, 6512), (4070, 6352), (4367, 5920)]