129225280

素因数分解:

$2^6\times 5^1\times {\mathrm{403829}}^1$

素因数の和:403846

約数の個数: 28

約数和(自身を含む): 307718460

約数和(自身を除く): 178493180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 403829, 807658, 1615316, 2019145, 3230632, 4038290, 6461264, 8076580, 12922528, 16153160, 25845056, 32306320, 64612640, 129225280]

約数ペア:

[(1, 129225280), (2, 64612640), (4, 32306320), (5, 25845056), (8, 16153160), (10, 12922528), (16, 8076580), (20, 6461264), (32, 4038290), (40, 3230632), (64, 2019145), (80, 1615316), (160, 807658), (320, 403829)]