72381980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{329009}}^1$

素因数の和:329029

約数の個数: 24

約数和(自身を含む): 165821040

約数和(自身を除く): 93439060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 329009, 658018, 1316036, 1645045, 3290090, 3619099, 6580180, 7238198, 14476396, 18095495, 36190990, 72381980]

約数ペア:

[(1, 72381980), (2, 36190990), (4, 18095495), (5, 14476396), (10, 7238198), (11, 6580180), (20, 3619099), (22, 3290090), (44, 1645045), (55, 1316036), (110, 658018), (220, 329009)]