156940611280

素因数分解:

$2^4\times 5^1\times {\mathrm{1961757641}}^1$

素因数の和:1961757654

約数の個数: 20

約数和(自身を含む): 364886921412

約数和(自身を除く): 207946310132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961757641, 3923515282, 7847030564, 9808788205, 15694061128, 19617576410, 31388122256, 39235152820, 78470305640, 156940611280]

約数ペア:

[(1, 156940611280), (2, 78470305640), (4, 39235152820), (5, 31388122256), (8, 19617576410), (10, 15694061128), (16, 9808788205), (20, 7847030564), (40, 3923515282), (80, 1961757641)]