2020880

素因数分解:

$2^4\times 5^1\times {\mathrm{25261}}^1$

素因数の和:25274

約数の個数: 20

約数和(自身を含む): 4698732

約数和(自身を除く): 2677852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25261, 50522, 101044, 126305, 202088, 252610, 404176, 505220, 1010440, 2020880]

約数ペア:

[(1, 2020880), (2, 1010440), (4, 505220), (5, 404176), (8, 252610), (10, 202088), (16, 126305), (20, 101044), (40, 50522), (80, 25261)]