135780880

素因数分解:

$2^4\times 5^1\times {\mathrm{1697261}}^1$

素因数の和:1697274

約数の個数: 20

約数和(自身を含む): 315690732

約数和(自身を除く): 179909852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1697261, 3394522, 6789044, 8486305, 13578088, 16972610, 27156176, 33945220, 67890440, 135780880]

約数ペア:

[(1, 135780880), (2, 67890440), (4, 33945220), (5, 27156176), (8, 16972610), (10, 13578088), (16, 8486305), (20, 6789044), (40, 3394522), (80, 1697261)]