1401065620

素因数分解:

$2^2\times 5^1\times {\mathrm{70053281}}^1$

素因数の和:70053290

約数の個数: 12

約数和(自身を含む): 2942237844

約数和(自身を除く): 1541172224

約数列:

[1, 2, 4, 5, 10, 20, 70053281, 140106562, 280213124, 350266405, 700532810, 1401065620]

約数ペア:

[(1, 1401065620), (2, 700532810), (4, 350266405), (5, 280213124), (10, 140106562), (20, 70053281)]