2091885640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4022857}}^1$

素因数の和:4022881

約数の個数: 32

約数和(自身を含む): 5068801080

約数和(自身を除く): 2976915440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4022857, 8045714, 16091428, 20114285, 32182856, 40228570, 52297141, 80457140, 104594282, 160914280, 209188564, 261485705, 418377128, 522971410, 1045942820, 2091885640]

約数ペア:

[(1, 2091885640), (2, 1045942820), (4, 522971410), (5, 418377128), (8, 261485705), (10, 209188564), (13, 160914280), (20, 104594282), (26, 80457140), (40, 52297141), (52, 40228570), (65, 32182856), (104, 20114285), (130, 16091428), (260, 8045714), (520, 4022857)]