6980180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 14710920

約数和(自身を除く): 7730740

約数列:

[1, 2, 4, 5, 10, 20, 421, 829, 842, 1658, 1684, 2105, 3316, 4145, 4210, 8290, 8420, 16580, 349009, 698018, 1396036, 1745045, 3490090, 6980180]

約数ペア:

[(1, 6980180), (2, 3490090), (4, 1745045), (5, 1396036), (10, 698018), (20, 349009), (421, 16580), (829, 8420), (842, 8290), (1658, 4210), (1684, 4145), (2105, 3316)]