88764040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51607}}^1$

素因数の和:51661

約数の個数: 32

約数和(自身を含む): 204367680

約数和(自身を除く): 115603640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51607, 103214, 206428, 258035, 412856, 516070, 1032140, 2064280, 2219101, 4438202, 8876404, 11095505, 17752808, 22191010, 44382020, 88764040]

約数ペア:

[(1, 88764040), (2, 44382020), (4, 22191010), (5, 17752808), (8, 11095505), (10, 8876404), (20, 4438202), (40, 2219101), (43, 2064280), (86, 1032140), (172, 516070), (215, 412856), (344, 258035), (430, 206428), (860, 103214), (1720, 51607)]