1916560

素因数分解:

$2^4\times 5^1\times {\mathrm{23957}}^1$

素因数の和:23970

約数の個数: 20

約数和(自身を含む): 4456188

約数和(自身を除く): 2539628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23957, 47914, 95828, 119785, 191656, 239570, 383312, 479140, 958280, 1916560]

約数ペア:

[(1, 1916560), (2, 958280), (4, 479140), (5, 383312), (8, 239570), (10, 191656), (16, 119785), (20, 95828), (40, 47914), (80, 23957)]