25580740

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2027}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 53831232

約数和(自身を除く): 28250492

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2027, 2524, 3155, 4054, 6310, 8108, 10135, 12620, 20270, 40540, 1279037, 2558074, 5116148, 6395185, 12790370, 25580740]

約数ペア:

[(1, 25580740), (2, 12790370), (4, 6395185), (5, 5116148), (10, 2558074), (20, 1279037), (631, 40540), (1262, 20270), (2027, 12620), (2524, 10135), (3155, 8108), (4054, 6310)]