201864640

素因数分解:

$2^6\times 5^1\times {\mathrm{630827}}^1$

素因数の和:630844

約数の個数: 28

約数和(自身を含む): 480690936

約数和(自身を除く): 278826296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 630827, 1261654, 2523308, 3154135, 5046616, 6308270, 10093232, 12616540, 20186464, 25233080, 40372928, 50466160, 100932320, 201864640]

約数ペア:

[(1, 201864640), (2, 100932320), (4, 50466160), (5, 40372928), (8, 25233080), (10, 20186464), (16, 12616540), (20, 10093232), (32, 6308270), (40, 5046616), (64, 3154135), (80, 2523308), (160, 1261654), (320, 630827)]