80732860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310511}}^1$

素因数の和:310533

約数の個数: 24

約数和(自身を含む): 182581056

約数和(自身を除く): 101848196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 310511, 621022, 1242044, 1552555, 3105110, 4036643, 6210220, 8073286, 16146572, 20183215, 40366430, 80732860]

約数ペア:

[(1, 80732860), (2, 40366430), (4, 20183215), (5, 16146572), (10, 8073286), (13, 6210220), (20, 4036643), (26, 3105110), (52, 1552555), (65, 1242044), (130, 621022), (260, 310511)]