139137080

素因数分解:

$2^3\times 5^1\times {\mathrm{3478427}}^1$

素因数の和:3478438

約数の個数: 16

約数和(自身を含む): 313058520

約数和(自身を除く): 173921440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3478427, 6956854, 13913708, 17392135, 27827416, 34784270, 69568540, 139137080]

約数ペア:

[(1, 139137080), (2, 69568540), (4, 34784270), (5, 27827416), (8, 17392135), (10, 13913708), (20, 6956854), (40, 3478427)]