520319920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{43651}}^1$

素因数の和:43813

約数の個数: 40

約数和(自身を含む): 1217890800

約数和(自身を除く): 697570880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 43651, 87302, 174604, 218255, 349208, 436510, 698416, 873020, 1746040, 3492080, 6503999, 13007998, 26015996, 32519995, 52031992, 65039990, 104063984, 130079980, 260159960, 520319920]

約数ペア:

[(1, 520319920), (2, 260159960), (4, 130079980), (5, 104063984), (8, 65039990), (10, 52031992), (16, 32519995), (20, 26015996), (40, 13007998), (80, 6503999), (149, 3492080), (298, 1746040), (596, 873020), (745, 698416), (1192, 436510), (1490, 349208), (2384, 218255), (2980, 174604), (5960, 87302), (11920, 43651)]