80885920

素因数分解:

$2^5\times 5^1\times {\mathrm{505537}}^1$

素因数の和:505552

約数の個数: 24

約数和(自身を含む): 191093364

約数和(自身を除く): 110207444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505537, 1011074, 2022148, 2527685, 4044296, 5055370, 8088592, 10110740, 16177184, 20221480, 40442960, 80885920]

約数ペア:

[(1, 80885920), (2, 40442960), (4, 20221480), (5, 16177184), (8, 10110740), (10, 8088592), (16, 5055370), (20, 4044296), (32, 2527685), (40, 2022148), (80, 1011074), (160, 505537)]