520045840

素因数分解:

$2^4\times 5^1\times {\mathrm{6500573}}^1$

素因数の和:6500586

約数の個数: 20

約数和(自身を含む): 1209106764

約数和(自身を除く): 689060924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6500573, 13001146, 26002292, 32502865, 52004584, 65005730, 104009168, 130011460, 260022920, 520045840]

約数ペア:

[(1, 520045840), (2, 260022920), (4, 130011460), (5, 104009168), (8, 65005730), (10, 52004584), (16, 32502865), (20, 26002292), (40, 13001146), (80, 6500573)]