51605240

素因数分解:

$2^3\times 5^1\times {\mathrm{1290131}}^1$

素因数の和:1290142

約数の個数: 16

約数和(自身を含む): 116111880

約数和(自身を除く): 64506640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1290131, 2580262, 5160524, 6450655, 10321048, 12901310, 25802620, 51605240]

約数ペア:

[(1, 51605240), (2, 25802620), (4, 12901310), (5, 10321048), (8, 6450655), (10, 5160524), (20, 2580262), (40, 1290131)]