100395280

素因数分解:

$2^4\times 5^1\times {\mathrm{1254941}}^1$

素因数の和:1254954

約数の個数: 20

約数和(自身を含む): 233419212

約数和(自身を除く): 133023932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1254941, 2509882, 5019764, 6274705, 10039528, 12549410, 20079056, 25098820, 50197640, 100395280]

約数ペア:

[(1, 100395280), (2, 50197640), (4, 25098820), (5, 20079056), (8, 12549410), (10, 10039528), (16, 6274705), (20, 5019764), (40, 2509882), (80, 1254941)]