17856760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8423}}^1$

素因数の和:8487

約数の個数: 32

約数和(自身を含む): 40940640

約数和(自身を除く): 23083880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8423, 16846, 33692, 42115, 67384, 84230, 168460, 336920, 446419, 892838, 1785676, 2232095, 3571352, 4464190, 8928380, 17856760]

約数ペア:

[(1, 17856760), (2, 8928380), (4, 4464190), (5, 3571352), (8, 2232095), (10, 1785676), (20, 892838), (40, 446419), (53, 336920), (106, 168460), (212, 84230), (265, 67384), (424, 42115), (530, 33692), (1060, 16846), (2120, 8423)]