28762240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3489

約数の個数: 64

約数和(自身を含む): 74070360

約数和(自身を除く): 45308120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3457, 4160, 6914, 8320, 13828, 17285, 27656, 34570, 44941, 55312, 69140, 89882, 110624, 138280, 179764, 221248, 224705, 276560, 359528, 442496, 449410, 553120, 719056, 898820, 1106240, 1438112, 1797640, 2212480, 2876224, 3595280, 5752448, 7190560, 14381120, 28762240]

約数ペア:

[(1, 28762240), (2, 14381120), (4, 7190560), (5, 5752448), (8, 3595280), (10, 2876224), (13, 2212480), (16, 1797640), (20, 1438112), (26, 1106240), (32, 898820), (40, 719056), (52, 553120), (64, 449410), (65, 442496), (80, 359528), (104, 276560), (128, 224705), (130, 221248), (160, 179764), (208, 138280), (260, 110624), (320, 89882), (416, 69140), (520, 55312), (640, 44941), (832, 34570), (1040, 27656), (1664, 17285), (2080, 13828), (3457, 8320), (4160, 6914)]