18282080

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 43518384

約数和(自身を除く): 25236304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 701, 815, 1304, 1402, 1630, 2608, 2804, 3260, 3505, 5216, 5608, 6520, 7010, 11216, 13040, 14020, 22432, 26080, 28040, 56080, 112160, 114263, 228526, 457052, 571315, 914104, 1142630, 1828208, 2285260, 3656416, 4570520, 9141040, 18282080]

約数ペア:

[(1, 18282080), (2, 9141040), (4, 4570520), (5, 3656416), (8, 2285260), (10, 1828208), (16, 1142630), (20, 914104), (32, 571315), (40, 457052), (80, 228526), (160, 114263), (163, 112160), (326, 56080), (652, 28040), (701, 26080), (815, 22432), (1304, 14020), (1402, 13040), (1630, 11216), (2608, 7010), (2804, 6520), (3260, 5608), (3505, 5216)]