100995280

素因数分解:

$2^4\times 5^1\times {\mathrm{1262441}}^1$

素因数の和:1262454

約数の個数: 20

約数和(自身を含む): 234814212

約数和(自身を除く): 133818932

約数列:

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

約数ペア:

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