51593840

素因数分解:

$2^4\times 5^1\times {\mathrm{644923}}^1$

素因数の和:644936

約数の個数: 20

約数和(自身を含む): 119955864

約数和(自身を除く): 68362024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 644923, 1289846, 2579692, 3224615, 5159384, 6449230, 10318768, 12898460, 25796920, 51593840]

約数ペア:

[(1, 51593840), (2, 25796920), (4, 12898460), (5, 10318768), (8, 6449230), (10, 5159384), (16, 3224615), (20, 2579692), (40, 1289846), (80, 644923)]