7977680740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12867227}}^1$

素因数の和:12867267

約数の個数: 24

約数和(自身を含む): 17293554432

約数和(自身を除く): 9315873692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12867227, 25734454, 51468908, 64336135, 128672270, 257344540, 398884037, 797768074, 1595536148, 1994420185, 3988840370, 7977680740]

約数ペア:

[(1, 7977680740), (2, 3988840370), (4, 1994420185), (5, 1595536148), (10, 797768074), (20, 398884037), (31, 257344540), (62, 128672270), (124, 64336135), (155, 51468908), (310, 25734454), (620, 12867227)]