15400660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70003}}^1$

素因数の和:70023

約数の個数: 24

約数和(自身を含む): 35282016

約数和(自身を除く): 19881356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70003, 140006, 280012, 350015, 700030, 770033, 1400060, 1540066, 3080132, 3850165, 7700330, 15400660]

約数ペア:

[(1, 15400660), (2, 7700330), (4, 3850165), (5, 3080132), (10, 1540066), (11, 1400060), (20, 770033), (22, 700030), (44, 350015), (55, 280012), (110, 140006), (220, 70003)]