25530140

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2843}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 53751600

約数和(自身を除く): 28221460

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2843, 4490, 5686, 8980, 11372, 14215, 28430, 56860, 1276507, 2553014, 5106028, 6382535, 12765070, 25530140]

約数ペア:

[(1, 25530140), (2, 12765070), (4, 6382535), (5, 5106028), (10, 2553014), (20, 1276507), (449, 56860), (898, 28430), (1796, 14215), (2245, 11372), (2843, 8980), (4490, 5686)]