51346640

素因数分解:

$2^4\times 5^1\times {\mathrm{641833}}^1$

素因数の和:641846

約数の個数: 20

約数和(自身を含む): 119381124

約数和(自身を除く): 68034484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641833, 1283666, 2567332, 3209165, 5134664, 6418330, 10269328, 12836660, 25673320, 51346640]

約数ペア:

[(1, 51346640), (2, 25673320), (4, 12836660), (5, 10269328), (8, 6418330), (10, 5134664), (16, 3209165), (20, 2567332), (40, 1283666), (80, 641833)]