72118910

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{11251}}^1$

素因数の和:11899

約数の個数: 16

約数和(自身を含む): 130028112

約数和(自身を除く): 57909202

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 11251, 22502, 56255, 112510, 7211891, 14423782, 36059455, 72118910]

約数ペア:

[(1, 72118910), (2, 36059455), (5, 14423782), (10, 7211891), (641, 112510), (1282, 56255), (3205, 22502), (6410, 11251)]