16405240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3833}}^1$

素因数の和:3951

約数の個数: 32

約数和(自身を含む): 37266480

約数和(自身を除く): 20861240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3833, 4280, 7666, 15332, 19165, 30664, 38330, 76660, 153320, 410131, 820262, 1640524, 2050655, 3281048, 4101310, 8202620, 16405240]

約数ペア:

[(1, 16405240), (2, 8202620), (4, 4101310), (5, 3281048), (8, 2050655), (10, 1640524), (20, 820262), (40, 410131), (107, 153320), (214, 76660), (428, 38330), (535, 30664), (856, 19165), (1070, 15332), (2140, 7666), (3833, 4280)]