31899920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 82130160

約数和(自身を除く): 50230240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 829, 962, 1040, 1480, 1658, 1924, 2405, 2960, 3316, 3848, 4145, 4810, 6632, 7696, 8290, 9620, 10777, 13264, 16580, 19240, 21554, 30673, 33160, 38480, 43108, 53885, 61346, 66320, 86216, 107770, 122692, 153365, 172432, 215540, 245384, 306730, 398749, 431080, 490768, 613460, 797498, 862160, 1226920, 1594996, 1993745, 2453840, 3189992, 3987490, 6379984, 7974980, 15949960, 31899920]

約数ペア:

[(1, 31899920), (2, 15949960), (4, 7974980), (5, 6379984), (8, 3987490), (10, 3189992), (13, 2453840), (16, 1993745), (20, 1594996), (26, 1226920), (37, 862160), (40, 797498), (52, 613460), (65, 490768), (74, 431080), (80, 398749), (104, 306730), (130, 245384), (148, 215540), (185, 172432), (208, 153365), (260, 122692), (296, 107770), (370, 86216), (481, 66320), (520, 61346), (592, 53885), (740, 43108), (829, 38480), (962, 33160), (1040, 30673), (1480, 21554), (1658, 19240), (1924, 16580), (2405, 13264), (2960, 10777), (3316, 9620), (3848, 8290), (4145, 7696), (4810, 6632)]