2909920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1427

約数の個数: 48

約数和(自身を含む): 7408800

約数和(自身を除く): 4498880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1399, 2080, 2798, 5596, 6995, 11192, 13990, 18187, 22384, 27980, 36374, 44768, 55960, 72748, 90935, 111920, 145496, 181870, 223840, 290992, 363740, 581984, 727480, 1454960, 2909920]

約数ペア:

[(1, 2909920), (2, 1454960), (4, 727480), (5, 581984), (8, 363740), (10, 290992), (13, 223840), (16, 181870), (20, 145496), (26, 111920), (32, 90935), (40, 72748), (52, 55960), (65, 44768), (80, 36374), (104, 27980), (130, 22384), (160, 18187), (208, 13990), (260, 11192), (416, 6995), (520, 5596), (1040, 2798), (1399, 2080)]