71881580

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2417}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 151115328

約数和(自身を除く): 79233748

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2417, 2974, 4834, 5948, 7435, 9668, 12085, 14870, 24170, 29740, 48340, 3594079, 7188158, 14376316, 17970395, 35940790, 71881580]

約数ペア:

[(1, 71881580), (2, 35940790), (4, 17970395), (5, 14376316), (10, 7188158), (20, 3594079), (1487, 48340), (2417, 29740), (2974, 24170), (4834, 14870), (5948, 12085), (7435, 9668)]