25751740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 36341060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 439, 838, 878, 1676, 1756, 2095, 2195, 2933, 3073, 4190, 4390, 5866, 6146, 8380, 8780, 11732, 12292, 14665, 15365, 29330, 30730, 58660, 61460, 183941, 367882, 735764, 919705, 1287587, 1839410, 2575174, 3678820, 5150348, 6437935, 12875870, 25751740]

約数ペア:

[(1, 25751740), (2, 12875870), (4, 6437935), (5, 5150348), (7, 3678820), (10, 2575174), (14, 1839410), (20, 1287587), (28, 919705), (35, 735764), (70, 367882), (140, 183941), (419, 61460), (439, 58660), (838, 30730), (878, 29330), (1676, 15365), (1756, 14665), (2095, 12292), (2195, 11732), (2933, 8780), (3073, 8380), (4190, 6146), (4390, 5866)]