126322880

素因数分解:

$2^6\times 5^1\times {\mathrm{394759}}^1$

素因数の和:394776

約数の個数: 28

約数和(自身を含む): 300807120

約数和(自身を除く): 174484240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 394759, 789518, 1579036, 1973795, 3158072, 3947590, 6316144, 7895180, 12632288, 15790360, 25264576, 31580720, 63161440, 126322880]

約数ペア:

[(1, 126322880), (2, 63161440), (4, 31580720), (5, 25264576), (8, 15790360), (10, 12632288), (16, 7895180), (20, 6316144), (32, 3947590), (40, 3158072), (64, 1973795), (80, 1579036), (160, 789518), (320, 394759)]