1540780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 3316320

約数和(自身を除く): 1775540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1879, 3758, 7516, 9395, 18790, 37580, 77039, 154078, 308156, 385195, 770390, 1540780]

約数ペア:

[(1, 1540780), (2, 770390), (4, 385195), (5, 308156), (10, 154078), (20, 77039), (41, 37580), (82, 18790), (164, 9395), (205, 7516), (410, 3758), (820, 1879)]