72506480

素因数分解:

$2^4\times 5^1\times {\mathrm{906331}}^1$

素因数の和:906344

約数の個数: 20

約数和(自身を含む): 168577752

約数和(自身を除く): 96071272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 906331, 1812662, 3625324, 4531655, 7250648, 9063310, 14501296, 18126620, 36253240, 72506480]

約数ペア:

[(1, 72506480), (2, 36253240), (4, 18126620), (5, 14501296), (8, 9063310), (10, 7250648), (16, 4531655), (20, 3625324), (40, 1812662), (80, 906331)]