534290420

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{13499}}^1$

素因数の和:15487

約数の個数: 24

約数和(自身を含む): 1122660000

約数和(自身を除く): 588369580

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 13499, 19790, 26998, 39580, 53996, 67495, 134990, 269980, 26714521, 53429042, 106858084, 133572605, 267145210, 534290420]

約数ペア:

[(1, 534290420), (2, 267145210), (4, 133572605), (5, 106858084), (10, 53429042), (20, 26714521), (1979, 269980), (3958, 134990), (7916, 67495), (9895, 53996), (13499, 39580), (19790, 26998)]