55351760

素因数分解:

$2^4\times 5^1\times {\mathrm{691897}}^1$

素因数の和:691910

約数の個数: 20

約数和(自身を含む): 128693028

約数和(自身を除く): 73341268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691897, 1383794, 2767588, 3459485, 5535176, 6918970, 11070352, 13837940, 27675880, 55351760]

約数ペア:

[(1, 55351760), (2, 27675880), (4, 13837940), (5, 11070352), (8, 6918970), (10, 5535176), (16, 3459485), (20, 2767588), (40, 1383794), (80, 691897)]