4251040

素因数分解:

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

素因数の和:341

約数の個数: 36

約数和(自身を含む): 10105074

約数和(自身を除く): 5854034

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 26080, 26569, 53138, 106276, 132845, 212552, 265690, 425104, 531380, 850208, 1062760, 2125520, 4251040]

約数ペア:

[(1, 4251040), (2, 2125520), (4, 1062760), (5, 850208), (8, 531380), (10, 425104), (16, 265690), (20, 212552), (32, 132845), (40, 106276), (80, 53138), (160, 26569), (163, 26080), (326, 13040), (652, 6520), (815, 5216), (1304, 3260), (1630, 2608)]