2125520

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^2$

素因数の和:339

約数の個数: 30

約数和(自身を含む): 4972338

約数和(自身を除く): 2846818

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 26569, 53138, 106276, 132845, 212552, 265690, 425104, 531380, 1062760, 2125520]

約数ペア:

[(1, 2125520), (2, 1062760), (4, 531380), (5, 425104), (8, 265690), (10, 212552), (16, 132845), (20, 106276), (40, 53138), (80, 26569), (163, 13040), (326, 6520), (652, 3260), (815, 2608), (1304, 1630)]