138811160

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18169}}^1$

素因数の和:18371

約数の個数: 32

約数和(自身を含む): 313977600

約数和(自身を除く): 175166440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 18169, 36338, 72676, 90845, 145352, 181690, 363380, 726760, 3470279, 6940558, 13881116, 17351395, 27762232, 34702790, 69405580, 138811160]

約数ペア:

[(1, 138811160), (2, 69405580), (4, 34702790), (5, 27762232), (8, 17351395), (10, 13881116), (20, 6940558), (40, 3470279), (191, 726760), (382, 363380), (764, 181690), (955, 145352), (1528, 90845), (1910, 72676), (3820, 36338), (7640, 18169)]