804565240

素因数分解:

$2^3\times 5^1\times {\mathrm{20114131}}^1$

素因数の和:20114142

約数の個数: 16

約数和(自身を含む): 1810271880

約数和(自身を除く): 1005706640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20114131, 40228262, 80456524, 100570655, 160913048, 201141310, 402282620, 804565240]

約数ペア:

[(1, 804565240), (2, 402282620), (4, 201141310), (5, 160913048), (8, 100570655), (10, 80456524), (20, 40228262), (40, 20114131)]