61965520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7669}}^1$

素因数の和:7783

約数の個数: 40

約数和(自身を含む): 145515240

約数和(自身を除く): 83549720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 7669, 8080, 15338, 30676, 38345, 61352, 76690, 122704, 153380, 306760, 613520, 774569, 1549138, 3098276, 3872845, 6196552, 7745690, 12393104, 15491380, 30982760, 61965520]

約数ペア:

[(1, 61965520), (2, 30982760), (4, 15491380), (5, 12393104), (8, 7745690), (10, 6196552), (16, 3872845), (20, 3098276), (40, 1549138), (80, 774569), (101, 613520), (202, 306760), (404, 153380), (505, 122704), (808, 76690), (1010, 61352), (1616, 38345), (2020, 30676), (4040, 15338), (7669, 8080)]