8672020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8849}}^1$

素因数の和:8872

約数の個数: 36

約数和(自身を含む): 21186900

約数和(自身を除く): 12514880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8849, 17698, 35396, 44245, 61943, 88490, 123886, 176980, 247772, 309715, 433601, 619430, 867202, 1238860, 1734404, 2168005, 4336010, 8672020]

約数ペア:

[(1, 8672020), (2, 4336010), (4, 2168005), (5, 1734404), (7, 1238860), (10, 867202), (14, 619430), (20, 433601), (28, 309715), (35, 247772), (49, 176980), (70, 123886), (98, 88490), (140, 61943), (196, 44245), (245, 35396), (490, 17698), (980, 8849)]