1915240

素因数分解:

$2^3\times 5^1\times {\mathrm{47881}}^1$

素因数の和:47892

約数の個数: 16

約数和(自身を含む): 4309380

約数和(自身を除く): 2394140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47881, 95762, 191524, 239405, 383048, 478810, 957620, 1915240]

約数ペア:

[(1, 1915240), (2, 957620), (4, 478810), (5, 383048), (8, 239405), (10, 191524), (20, 95762), (40, 47881)]