56661640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28909}}^1$

素因数の和:28934

約数の個数: 48

約数和(自身を含む): 148308300

約数和(自身を除く): 91646660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28909, 57818, 115636, 144545, 202363, 231272, 289090, 404726, 578180, 809452, 1011815, 1156360, 1416541, 1618904, 2023630, 2833082, 4047260, 5666164, 7082705, 8094520, 11332328, 14165410, 28330820, 56661640]

約数ペア:

[(1, 56661640), (2, 28330820), (4, 14165410), (5, 11332328), (7, 8094520), (8, 7082705), (10, 5666164), (14, 4047260), (20, 2833082), (28, 2023630), (35, 1618904), (40, 1416541), (49, 1156360), (56, 1011815), (70, 809452), (98, 578180), (140, 404726), (196, 289090), (245, 231272), (280, 202363), (392, 144545), (490, 115636), (980, 57818), (1960, 28909)]