80259260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{643}}^1$

素因数の和:810

約数の個数: 36

約数和(自身を含む): 170970408

約数和(自身を除く): 90711148

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 643, 790, 1286, 1580, 2572, 3215, 6241, 6430, 12482, 12860, 24964, 31205, 50797, 62410, 101594, 124820, 203188, 253985, 507970, 1015940, 4012963, 8025926, 16051852, 20064815, 40129630, 80259260]

約数ペア:

[(1, 80259260), (2, 40129630), (4, 20064815), (5, 16051852), (10, 8025926), (20, 4012963), (79, 1015940), (158, 507970), (316, 253985), (395, 203188), (643, 124820), (790, 101594), (1286, 62410), (1580, 50797), (2572, 31205), (3215, 24964), (6241, 12860), (6430, 12482)]