61606520

素因数分解:

$2^3\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{1291}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 138838320

約数和(自身を除く): 77231800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1193, 1291, 2386, 2582, 4772, 5164, 5965, 6455, 9544, 10328, 11930, 12910, 23860, 25820, 47720, 51640, 1540163, 3080326, 6160652, 7700815, 12321304, 15401630, 30803260, 61606520]

約数ペア:

[(1, 61606520), (2, 30803260), (4, 15401630), (5, 12321304), (8, 7700815), (10, 6160652), (20, 3080326), (40, 1540163), (1193, 51640), (1291, 47720), (2386, 25820), (2582, 23860), (4772, 12910), (5164, 11930), (5965, 10328), (6455, 9544)]