15111280

素因数分解:

$2^4\times 5^1\times {\mathrm{188891}}^1$

素因数の和:188904

約数の個数: 20

約数和(自身を含む): 35133912

約数和(自身を除く): 20022632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 188891, 377782, 755564, 944455, 1511128, 1888910, 3022256, 3777820, 7555640, 15111280]

約数ペア:

[(1, 15111280), (2, 7555640), (4, 3777820), (5, 3022256), (8, 1888910), (10, 1511128), (16, 944455), (20, 755564), (40, 377782), (80, 188891)]