16480180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19163}}^1$

素因数の和:19215

約数の個数: 24

約数和(自身を含む): 35415072

約数和(自身を除く): 18934892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19163, 38326, 76652, 95815, 191630, 383260, 824009, 1648018, 3296036, 4120045, 8240090, 16480180]

約数ペア:

[(1, 16480180), (2, 8240090), (4, 4120045), (5, 3296036), (10, 1648018), (20, 824009), (43, 383260), (86, 191630), (172, 95815), (215, 76652), (430, 38326), (860, 19163)]