15790940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71777}}^1$

素因数の和:71797

約数の個数: 24

約数和(自身を含む): 36176112

約数和(自身を除く): 20385172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71777, 143554, 287108, 358885, 717770, 789547, 1435540, 1579094, 3158188, 3947735, 7895470, 15790940]

約数ペア:

[(1, 15790940), (2, 7895470), (4, 3947735), (5, 3158188), (10, 1579094), (11, 1435540), (20, 789547), (22, 717770), (44, 358885), (55, 287108), (110, 143554), (220, 71777)]