9786640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1807

約数の個数: 40

約数和(自身を含む): 23087808

約数和(自身を除く): 13301168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1723, 2840, 3446, 5680, 6892, 8615, 13784, 17230, 27568, 34460, 68920, 122333, 137840, 244666, 489332, 611665, 978664, 1223330, 1957328, 2446660, 4893320, 9786640]

約数ペア:

[(1, 9786640), (2, 4893320), (4, 2446660), (5, 1957328), (8, 1223330), (10, 978664), (16, 611665), (20, 489332), (40, 244666), (71, 137840), (80, 122333), (142, 68920), (284, 34460), (355, 27568), (568, 17230), (710, 13784), (1136, 8615), (1420, 6892), (1723, 5680), (2840, 3446)]