80871200

素因数分解:

$2^5\times 5^2\times {\mathrm{101089}}^1$

素因数の和:101109

約数の個数: 36

約数和(自身を含む): 197428770

約数和(自身を除く): 116557570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 101089, 202178, 404356, 505445, 808712, 1010890, 1617424, 2021780, 2527225, 3234848, 4043560, 5054450, 8087120, 10108900, 16174240, 20217800, 40435600, 80871200]

約数ペア:

[(1, 80871200), (2, 40435600), (4, 20217800), (5, 16174240), (8, 10108900), (10, 8087120), (16, 5054450), (20, 4043560), (25, 3234848), (32, 2527225), (40, 2021780), (50, 1617424), (80, 1010890), (100, 808712), (160, 505445), (200, 404356), (400, 202178), (800, 101089)]