2664220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10247}}^1$

素因数の和:10269

約数の個数: 24

約数和(自身を含む): 6025824

約数和(自身を除く): 3361604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10247, 20494, 40988, 51235, 102470, 133211, 204940, 266422, 532844, 666055, 1332110, 2664220]

約数ペア:

[(1, 2664220), (2, 1332110), (4, 666055), (5, 532844), (10, 266422), (13, 204940), (20, 133211), (26, 102470), (52, 51235), (65, 40988), (130, 20494), (260, 10247)]