41999980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190909}}^1$

素因数の和:190929

約数の個数: 24

約数和(自身を含む): 96218640

約数和(自身を除く): 54218660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 190909, 381818, 763636, 954545, 1909090, 2099999, 3818180, 4199998, 8399996, 10499995, 20999990, 41999980]

約数ペア:

[(1, 41999980), (2, 20999990), (4, 10499995), (5, 8399996), (10, 4199998), (11, 3818180), (20, 2099999), (22, 1909090), (44, 954545), (55, 763636), (110, 381818), (220, 190909)]