100895980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{23909}}^1$

素因数の和:24129

約数の個数: 24

約数和(自身を含む): 212894640

約数和(自身を除く): 111998660

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 23909, 47818, 95636, 119545, 239090, 478180, 5044799, 10089598, 20179196, 25223995, 50447990, 100895980]

約数ペア:

[(1, 100895980), (2, 50447990), (4, 25223995), (5, 20179196), (10, 10089598), (20, 5044799), (211, 478180), (422, 239090), (844, 119545), (1055, 95636), (2110, 47818), (4220, 23909)]