13990520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3463}}^1$

素因数の和:3575

約数の個数: 32

約数和(自身を含む): 31799520

約数和(自身を除く): 17809000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3463, 4040, 6926, 13852, 17315, 27704, 34630, 69260, 138520, 349763, 699526, 1399052, 1748815, 2798104, 3497630, 6995260, 13990520]

約数ペア:

[(1, 13990520), (2, 6995260), (4, 3497630), (5, 2798104), (8, 1748815), (10, 1399052), (20, 699526), (40, 349763), (101, 138520), (202, 69260), (404, 34630), (505, 27704), (808, 17315), (1010, 13852), (2020, 6926), (3463, 4040)]