2820407005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{138629}}^1$

素因数の和:138960

約数の個数: 16

約数和(自身を含む): 3656504880

約数和(自身を除く): 836097875

約数列:

[1, 5, 13, 65, 313, 1565, 4069, 20345, 138629, 693145, 1802177, 9010885, 43390877, 216954385, 564081401, 2820407005]

約数ペア:

[(1, 2820407005), (5, 564081401), (13, 216954385), (65, 43390877), (313, 9010885), (1565, 1802177), (4069, 693145), (20345, 138629)]