25380530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{51797}}^1$

素因数の和:51818

約数の個数: 24

約数和(自身を含む): 53144748

約数和(自身を除く): 27764218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 51797, 103594, 258985, 362579, 517970, 725158, 1812895, 2538053, 3625790, 5076106, 12690265, 25380530]

約数ペア:

[(1, 25380530), (2, 12690265), (5, 5076106), (7, 3625790), (10, 2538053), (14, 1812895), (35, 725158), (49, 517970), (70, 362579), (98, 258985), (245, 103594), (490, 51797)]