64664060

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{17863}}^1$

素因数の和:18053

約数の個数: 24

約数和(自身を含む): 136552416

約数和(自身を除く): 71888356

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 17863, 35726, 71452, 89315, 178630, 357260, 3233203, 6466406, 12932812, 16166015, 32332030, 64664060]

約数ペア:

[(1, 64664060), (2, 32332030), (4, 16166015), (5, 12932812), (10, 6466406), (20, 3233203), (181, 357260), (362, 178630), (724, 89315), (905, 71452), (1810, 35726), (3620, 17863)]