2109640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 5113080

約数和(自身を除く): 3003440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4057, 8114, 16228, 20285, 32456, 40570, 52741, 81140, 105482, 162280, 210964, 263705, 421928, 527410, 1054820, 2109640]

約数ペア:

[(1, 2109640), (2, 1054820), (4, 527410), (5, 421928), (8, 263705), (10, 210964), (13, 162280), (20, 105482), (26, 81140), (40, 52741), (52, 40570), (65, 32456), (104, 20285), (130, 16228), (260, 8114), (520, 4057)]