6460780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7879}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 13900320

約数和(自身を除く): 7439540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 7879, 15758, 31516, 39395, 78790, 157580, 323039, 646078, 1292156, 1615195, 3230390, 6460780]

約数ペア:

[(1, 6460780), (2, 3230390), (4, 1615195), (5, 1292156), (10, 646078), (20, 323039), (41, 157580), (82, 78790), (164, 39395), (205, 31516), (410, 15758), (820, 7879)]