71569280

素因数分解:

$2^7\times 5^1\times {\mathrm{111827}}^1$

素因数の和:111846

約数の個数: 32

約数和(自身を含む): 171096840

約数和(自身を除く): 99527560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111827, 223654, 447308, 559135, 894616, 1118270, 1789232, 2236540, 3578464, 4473080, 7156928, 8946160, 14313856, 17892320, 35784640, 71569280]

約数ペア:

[(1, 71569280), (2, 35784640), (4, 17892320), (5, 14313856), (8, 8946160), (10, 7156928), (16, 4473080), (20, 3578464), (32, 2236540), (40, 1789232), (64, 1118270), (80, 894616), (128, 559135), (160, 447308), (320, 223654), (640, 111827)]