72741820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{13421}}^1$

素因数の和:13701

約数の個数: 24

約数和(自身を含む): 153332928

約数和(自身を除く): 80591108

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 13421, 26842, 53684, 67105, 134210, 268420, 3637091, 7274182, 14548364, 18185455, 36370910, 72741820]

約数ペア:

[(1, 72741820), (2, 36370910), (4, 18185455), (5, 14548364), (10, 7274182), (20, 3637091), (271, 268420), (542, 134210), (1084, 67105), (1355, 53684), (2710, 26842), (5420, 13421)]