25426870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{809}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 52488000

約数和(自身を除く): 27061130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 809, 898, 1618, 2245, 3143, 4045, 4490, 5663, 6286, 8090, 11326, 15715, 28315, 31430, 56630, 363241, 726482, 1816205, 2542687, 3632410, 5085374, 12713435, 25426870]

約数ペア:

[(1, 25426870), (2, 12713435), (5, 5085374), (7, 3632410), (10, 2542687), (14, 1816205), (35, 726482), (70, 363241), (449, 56630), (809, 31430), (898, 28315), (1618, 15715), (2245, 11326), (3143, 8090), (4045, 6286), (4490, 5663)]