2901980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3539}}^1$

素因数の和:3589

約数の個数: 24

約数和(自身を含む): 6244560

約数和(自身を除く): 3342580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3539, 7078, 14156, 17695, 35390, 70780, 145099, 290198, 580396, 725495, 1450990, 2901980]

約数ペア:

[(1, 2901980), (2, 1450990), (4, 725495), (5, 580396), (10, 290198), (20, 145099), (41, 70780), (82, 35390), (164, 17695), (205, 14156), (410, 7078), (820, 3539)]