3962680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 8987040

約数和(自身を除く): 5024360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 631, 785, 1256, 1262, 1570, 2524, 3140, 3155, 5048, 6280, 6310, 12620, 25240, 99067, 198134, 396268, 495335, 792536, 990670, 1981340, 3962680]

約数ペア:

[(1, 3962680), (2, 1981340), (4, 990670), (5, 792536), (8, 495335), (10, 396268), (20, 198134), (40, 99067), (157, 25240), (314, 12620), (628, 6310), (631, 6280), (785, 5048), (1256, 3155), (1262, 3140), (1570, 2524)]