858454640

素因数分解:

$2^4\times 5^1\times {\mathrm{10730683}}^1$

素因数の和:10730696

約数の個数: 20

約数和(自身を含む): 1995907224

約数和(自身を除く): 1137452584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10730683, 21461366, 42922732, 53653415, 85845464, 107306830, 171690928, 214613660, 429227320, 858454640]

約数ペア:

[(1, 858454640), (2, 429227320), (4, 214613660), (5, 171690928), (8, 107306830), (10, 85845464), (16, 53653415), (20, 42922732), (40, 21461366), (80, 10730683)]