80492780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{27011}}^1$

素因数の和:27169

約数の個数: 24

約数和(自身を含む): 170175600

約数和(自身を除く): 89682820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 27011, 54022, 108044, 135055, 270110, 540220, 4024639, 8049278, 16098556, 20123195, 40246390, 80492780]

約数ペア:

[(1, 80492780), (2, 40246390), (4, 20123195), (5, 16098556), (10, 8049278), (20, 4024639), (149, 540220), (298, 270110), (596, 135055), (745, 108044), (1490, 54022), (2980, 27011)]