31665520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3919}}^1$

素因数の和:4033

約数の個数: 40

約数和(自身を含む): 74370240

約数和(自身を除く): 42704720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3919, 4040, 7838, 8080, 15676, 19595, 31352, 39190, 62704, 78380, 156760, 313520, 395819, 791638, 1583276, 1979095, 3166552, 3958190, 6333104, 7916380, 15832760, 31665520]

約数ペア:

[(1, 31665520), (2, 15832760), (4, 7916380), (5, 6333104), (8, 3958190), (10, 3166552), (16, 1979095), (20, 1583276), (40, 791638), (80, 395819), (101, 313520), (202, 156760), (404, 78380), (505, 62704), (808, 39190), (1010, 31352), (1616, 19595), (2020, 15676), (3919, 8080), (4040, 7838)]