39920438

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{823}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 60910080

約数和(自身を除く): 20989642

約数列:

[1, 2, 79, 158, 307, 614, 823, 1646, 24253, 48506, 65017, 130034, 252661, 505322, 19960219, 39920438]

約数ペア:

[(1, 39920438), (2, 19960219), (79, 505322), (158, 252661), (307, 130034), (614, 65017), (823, 48506), (1646, 24253)]