90655660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 194463360

約数和(自身を除く): 103807700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 181, 316, 317, 362, 395, 634, 724, 790, 905, 1268, 1580, 1585, 1810, 3170, 3620, 6340, 14299, 25043, 28598, 50086, 57196, 57377, 71495, 100172, 114754, 125215, 142990, 229508, 250430, 285980, 286885, 500860, 573770, 1147540, 4532783, 9065566, 18131132, 22663915, 45327830, 90655660]

約数ペア:

[(1, 90655660), (2, 45327830), (4, 22663915), (5, 18131132), (10, 9065566), (20, 4532783), (79, 1147540), (158, 573770), (181, 500860), (316, 286885), (317, 285980), (362, 250430), (395, 229508), (634, 142990), (724, 125215), (790, 114754), (905, 100172), (1268, 71495), (1580, 57377), (1585, 57196), (1810, 50086), (3170, 28598), (3620, 25043), (6340, 14299)]