80329820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{14821}}^1$

素因数の和:15101

約数の個数: 24

約数和(自身を含む): 169326528

約数和(自身を除く): 88996708

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 14821, 29642, 59284, 74105, 148210, 296420, 4016491, 8032982, 16065964, 20082455, 40164910, 80329820]

約数ペア:

[(1, 80329820), (2, 40164910), (4, 20082455), (5, 16065964), (10, 8032982), (20, 4016491), (271, 296420), (542, 148210), (1084, 74105), (1355, 59284), (2710, 29642), (5420, 14821)]