71863280

素因数分解:

$2^4\times 5^1\times {\mathrm{898291}}^1$

素因数の和:898304

約数の個数: 20

約数和(自身を含む): 167082312

約数和(自身を除く): 95219032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 898291, 1796582, 3593164, 4491455, 7186328, 8982910, 14372656, 17965820, 35931640, 71863280]

約数ペア:

[(1, 71863280), (2, 35931640), (4, 17965820), (5, 14372656), (8, 8982910), (10, 7186328), (16, 4491455), (20, 3593164), (40, 1796582), (80, 898291)]