25440820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{11257}}^1$

素因数の和:11379

約数の個数: 24

約数和(自身を含む): 53903304

約数和(自身を除く): 28462484

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 11257, 22514, 45028, 56285, 112570, 225140, 1272041, 2544082, 5088164, 6360205, 12720410, 25440820]

約数ペア:

[(1, 25440820), (2, 12720410), (4, 6360205), (5, 5088164), (10, 2544082), (20, 1272041), (113, 225140), (226, 112570), (452, 56285), (565, 45028), (1130, 22514), (2260, 11257)]