51548240

素因数分解:

$2^4\times 5^1\times {\mathrm{644353}}^1$

素因数の和:644366

約数の個数: 20

約数和(自身を含む): 119849844

約数和(自身を除く): 68301604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 644353, 1288706, 2577412, 3221765, 5154824, 6443530, 10309648, 12887060, 25774120, 51548240]

約数ペア:

[(1, 51548240), (2, 25774120), (4, 12887060), (5, 10309648), (8, 6443530), (10, 5154824), (16, 3221765), (20, 2577412), (40, 1288706), (80, 644353)]