127711240

素因数分解:

$2^3\times 5^1\times {\mathrm{3192781}}^1$

素因数の和:3192792

約数の個数: 16

約数和(自身を含む): 287350380

約数和(自身を除く): 159639140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3192781, 6385562, 12771124, 15963905, 25542248, 31927810, 63855620, 127711240]

約数ペア:

[(1, 127711240), (2, 63855620), (4, 31927810), (5, 25542248), (8, 15963905), (10, 12771124), (20, 6385562), (40, 3192781)]