100688080

素因数分解:

$2^4\times 5^1\times {\mathrm{1258601}}^1$

素因数の和:1258614

約数の個数: 20

約数和(自身を含む): 234099972

約数和(自身を除く): 133411892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1258601, 2517202, 5034404, 6293005, 10068808, 12586010, 20137616, 25172020, 50344040, 100688080]

約数ペア:

[(1, 100688080), (2, 50344040), (4, 25172020), (5, 20137616), (8, 12586010), (10, 10068808), (16, 6293005), (20, 5034404), (40, 2517202), (80, 1258601)]