61971320

素因数分解:

$2^3\times 5^1\times {\mathrm{1549283}}^1$

素因数の和:1549294

約数の個数: 16

約数和(自身を含む): 139435560

約数和(自身を除く): 77464240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1549283, 3098566, 6197132, 7746415, 12394264, 15492830, 30985660, 61971320]

約数ペア:

[(1, 61971320), (2, 30985660), (4, 15492830), (5, 12394264), (8, 7746415), (10, 6197132), (20, 3098566), (40, 1549283)]