201990560

素因数分解:

$2^5\times 5^1\times {\mathrm{1262441}}^1$

素因数の和:1262456

約数の個数: 24

約数和(自身を含む): 477203076

約数和(自身を除く): 275212516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1262441, 2524882, 5049764, 6312205, 10099528, 12624410, 20199056, 25248820, 40398112, 50497640, 100995280, 201990560]

約数ペア:

[(1, 201990560), (2, 100995280), (4, 50497640), (5, 40398112), (8, 25248820), (10, 20199056), (16, 12624410), (20, 10099528), (32, 6312205), (40, 5049764), (80, 2524882), (160, 1262441)]