3225820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 7691040

約数和(自身を除く): 4465220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 653, 988, 1235, 1306, 2470, 2612, 3265, 4940, 6530, 8489, 12407, 13060, 16978, 24814, 33956, 42445, 49628, 62035, 84890, 124070, 161291, 169780, 248140, 322582, 645164, 806455, 1612910, 3225820]

約数ペア:

[(1, 3225820), (2, 1612910), (4, 806455), (5, 645164), (10, 322582), (13, 248140), (19, 169780), (20, 161291), (26, 124070), (38, 84890), (52, 62035), (65, 49628), (76, 42445), (95, 33956), (130, 24814), (190, 16978), (247, 13060), (260, 12407), (380, 8489), (494, 6530), (653, 4940), (988, 3265), (1235, 2612), (1306, 2470)]