25448020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7529}}^1$

素因数の和:7564

約数の個数: 36

約数和(自身を含む): 57875580

約数和(自身を除く): 32427560

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7529, 15058, 30116, 37645, 75290, 97877, 150580, 195754, 391508, 489385, 978770, 1272401, 1957540, 2544802, 5089604, 6362005, 12724010, 25448020]

約数ペア:

[(1, 25448020), (2, 12724010), (4, 6362005), (5, 5089604), (10, 2544802), (13, 1957540), (20, 1272401), (26, 978770), (52, 489385), (65, 391508), (130, 195754), (169, 150580), (260, 97877), (338, 75290), (676, 37645), (845, 30116), (1690, 15058), (3380, 7529)]