2807480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5399}}^1$

素因数の和:5423

約数の個数: 32

約数和(自身を含む): 6804000

約数和(自身を除く): 3996520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5399, 10798, 21596, 26995, 43192, 53990, 70187, 107980, 140374, 215960, 280748, 350935, 561496, 701870, 1403740, 2807480]

約数ペア:

[(1, 2807480), (2, 1403740), (4, 701870), (5, 561496), (8, 350935), (10, 280748), (13, 215960), (20, 140374), (26, 107980), (40, 70187), (52, 53990), (65, 43192), (104, 26995), (130, 21596), (260, 10798), (520, 5399)]