15400220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70001}}^1$

素因数の和:70021

約数の個数: 24

約数和(自身を含む): 35281008

約数和(自身を除く): 19880788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70001, 140002, 280004, 350005, 700010, 770011, 1400020, 1540022, 3080044, 3850055, 7700110, 15400220]

約数ペア:

[(1, 15400220), (2, 7700110), (4, 3850055), (5, 3080044), (10, 1540022), (11, 1400020), (20, 770011), (22, 700010), (44, 350005), (55, 280004), (110, 140002), (220, 70001)]