207979460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{799921}}^1$

素因数の和:799943

約数の個数: 24

約数和(自身を含む): 470354136

約数和(自身を除く): 262374676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 799921, 1599842, 3199684, 3999605, 7999210, 10398973, 15998420, 20797946, 41595892, 51994865, 103989730, 207979460]

約数ペア:

[(1, 207979460), (2, 103989730), (4, 51994865), (5, 41595892), (10, 20797946), (13, 15998420), (20, 10398973), (26, 7999210), (52, 3999605), (65, 3199684), (130, 1599842), (260, 799921)]