203436560

素因数分解:

$2^4\times 5^1\times {\mathrm{2542957}}^1$

素因数の和:2542970

約数の個数: 20

約数和(自身を含む): 472990188

約数和(自身を除く): 269553628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542957, 5085914, 10171828, 12714785, 20343656, 25429570, 40687312, 50859140, 101718280, 203436560]

約数ペア:

[(1, 203436560), (2, 101718280), (4, 50859140), (5, 40687312), (8, 25429570), (10, 20343656), (16, 12714785), (20, 10171828), (40, 5085914), (80, 2542957)]