127730740

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{9871}}^1$

素因数の和:10527

約数の個数: 24

約数和(自身を含む): 268676352

約数和(自身を除く): 140945612

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 9871, 12940, 19742, 39484, 49355, 98710, 197420, 6386537, 12773074, 25546148, 31932685, 63865370, 127730740]

約数ペア:

[(1, 127730740), (2, 63865370), (4, 31932685), (5, 25546148), (10, 12773074), (20, 6386537), (647, 197420), (1294, 98710), (2588, 49355), (3235, 39484), (6470, 19742), (9871, 12940)]