31142680

素因数分解:

$2^3\times 5^1\times {\mathrm{778567}}^1$

素因数の和:778578

約数の個数: 16

約数和(自身を含む): 70071120

約数和(自身を除く): 38928440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 778567, 1557134, 3114268, 3892835, 6228536, 7785670, 15571340, 31142680]

約数ペア:

[(1, 31142680), (2, 15571340), (4, 7785670), (5, 6228536), (8, 3892835), (10, 3114268), (20, 1557134), (40, 778567)]