30211640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11273}}^1$

素因数の和:11351

約数の個数: 32

約数和(自身を含む): 68996880

約数和(自身を除く): 38785240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11273, 22546, 45092, 56365, 90184, 112730, 225460, 450920, 755291, 1510582, 3021164, 3776455, 6042328, 7552910, 15105820, 30211640]

約数ペア:

[(1, 30211640), (2, 15105820), (4, 7552910), (5, 6042328), (8, 3776455), (10, 3021164), (20, 1510582), (40, 755291), (67, 450920), (134, 225460), (268, 112730), (335, 90184), (536, 56365), (670, 45092), (1340, 22546), (2680, 11273)]