79804540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128717}}^1$

素因数の和:128757

約数の個数: 24

約数和(自身を含む): 172996992

約数和(自身を除く): 93192452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128717, 257434, 514868, 643585, 1287170, 2574340, 3990227, 7980454, 15960908, 19951135, 39902270, 79804540]

約数ペア:

[(1, 79804540), (2, 39902270), (4, 19951135), (5, 15960908), (10, 7980454), (20, 3990227), (31, 2574340), (62, 1287170), (124, 643585), (155, 514868), (310, 257434), (620, 128717)]