208087120

素因数分解:

$2^4\times 5^1\times {\mathrm{2601089}}^1$

素因数の和:2601102

約数の個数: 20

約数和(自身を含む): 483802740

約数和(自身を除く): 275715620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2601089, 5202178, 10404356, 13005445, 20808712, 26010890, 41617424, 52021780, 104043560, 208087120]

約数ペア:

[(1, 208087120), (2, 104043560), (4, 52021780), (5, 41617424), (8, 26010890), (10, 20808712), (16, 13005445), (20, 10404356), (40, 5202178), (80, 2601089)]