16880180

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2351}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 35562240

約数和(自身を除く): 18682060

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2351, 3590, 4702, 7180, 9404, 11755, 23510, 47020, 844009, 1688018, 3376036, 4220045, 8440090, 16880180]

約数ペア:

[(1, 16880180), (2, 8440090), (4, 4220045), (5, 3376036), (10, 1688018), (20, 844009), (359, 47020), (718, 23510), (1436, 11755), (1795, 9404), (2351, 7180), (3590, 4702)]