25516180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9739}}^1$

素因数の和:9879

約数の個数: 24

約数和(自身を含む): 53998560

約数和(自身を除く): 28482380

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9739, 19478, 38956, 48695, 97390, 194780, 1275809, 2551618, 5103236, 6379045, 12758090, 25516180]

約数ペア:

[(1, 25516180), (2, 12758090), (4, 6379045), (5, 5103236), (10, 2551618), (20, 1275809), (131, 194780), (262, 97390), (524, 48695), (655, 38956), (1310, 19478), (2620, 9739)]