285161320

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{39827}}^1$

素因数の和:40017

約数の個数: 32

約数和(自身を含む): 645213600

約数和(自身を除く): 360052280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 39827, 79654, 159308, 199135, 318616, 398270, 796540, 1593080, 7129033, 14258066, 28516132, 35645165, 57032264, 71290330, 142580660, 285161320]

約数ペア:

[(1, 285161320), (2, 142580660), (4, 71290330), (5, 57032264), (8, 35645165), (10, 28516132), (20, 14258066), (40, 7129033), (179, 1593080), (358, 796540), (716, 398270), (895, 318616), (1432, 199135), (1790, 159308), (3580, 79654), (7160, 39827)]