25118470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 49805280

約数和(自身を除く): 24686810

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 167, 169, 178, 334, 338, 445, 835, 845, 890, 1157, 1670, 1690, 2171, 2314, 4342, 5785, 10855, 11570, 14863, 15041, 21710, 28223, 29726, 30082, 56446, 74315, 75205, 141115, 148630, 150410, 193219, 282230, 386438, 966095, 1932190, 2511847, 5023694, 12559235, 25118470]

約数ペア:

[(1, 25118470), (2, 12559235), (5, 5023694), (10, 2511847), (13, 1932190), (26, 966095), (65, 386438), (89, 282230), (130, 193219), (167, 150410), (169, 148630), (178, 141115), (334, 75205), (338, 74315), (445, 56446), (835, 30082), (845, 29726), (890, 28223), (1157, 21710), (1670, 15041), (1690, 14863), (2171, 11570), (2314, 10855), (4342, 5785)]