80020078

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{4451}}^1$

素因数の和:4643

約数の個数: 16

約数和(自身を含む): 122608080

約数和(自身を除く): 42588002

約数列:

[1, 2, 89, 101, 178, 202, 4451, 8902, 8989, 17978, 396139, 449551, 792278, 899102, 40010039, 80020078]

約数ペア:

[(1, 80020078), (2, 40010039), (89, 899102), (101, 792278), (178, 449551), (202, 396139), (4451, 17978), (8902, 8989)]