25545620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{17497}}^1$

素因数の和:17579

約数の個数: 24

約数和(自身を含む): 54383784

約数和(自身を除く): 28838164

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 17497, 34994, 69988, 87485, 174970, 349940, 1277281, 2554562, 5109124, 6386405, 12772810, 25545620]

約数ペア:

[(1, 25545620), (2, 12772810), (4, 6386405), (5, 5109124), (10, 2554562), (20, 1277281), (73, 349940), (146, 174970), (292, 87485), (365, 69988), (730, 34994), (1460, 17497)]