25481480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4583}}^1$

素因数の和:4733

約数の個数: 32

約数和(自身を含む): 57758400

約数和(自身を除く): 32276920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4583, 5560, 9166, 18332, 22915, 36664, 45830, 91660, 183320, 637037, 1274074, 2548148, 3185185, 5096296, 6370370, 12740740, 25481480]

約数ペア:

[(1, 25481480), (2, 12740740), (4, 6370370), (5, 5096296), (8, 3185185), (10, 2548148), (20, 1274074), (40, 637037), (139, 183320), (278, 91660), (556, 45830), (695, 36664), (1112, 22915), (1390, 18332), (2780, 9166), (4583, 5560)]