7924220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12821

約数の個数: 24

約数和(自身を含む): 17179008

約数和(自身を除く): 9254788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12781, 25562, 51124, 63905, 127810, 255620, 396211, 792422, 1584844, 1981055, 3962110, 7924220]

約数ペア:

[(1, 7924220), (2, 3962110), (4, 1981055), (5, 1584844), (10, 792422), (20, 396211), (31, 255620), (62, 127810), (124, 63905), (155, 51124), (310, 25562), (620, 12781)]