47499980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{215909}}^1$

素因数の和:215929

約数の個数: 24

約数和(自身を含む): 108818640

約数和(自身を除く): 61318660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 215909, 431818, 863636, 1079545, 2159090, 2374999, 4318180, 4749998, 9499996, 11874995, 23749990, 47499980]

約数ペア:

[(1, 47499980), (2, 23749990), (4, 11874995), (5, 9499996), (10, 4749998), (11, 4318180), (20, 2374999), (22, 2159090), (44, 1079545), (55, 863636), (110, 431818), (220, 215909)]