11968580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3541}}^1$

素因数の和:3576

約数の個数: 36

約数和(自身を含む): 27223812

約数和(自身を除く): 15255232

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3541, 7082, 14164, 17705, 35410, 46033, 70820, 92066, 184132, 230165, 460330, 598429, 920660, 1196858, 2393716, 2992145, 5984290, 11968580]

約数ペア:

[(1, 11968580), (2, 5984290), (4, 2992145), (5, 2393716), (10, 1196858), (13, 920660), (20, 598429), (26, 460330), (52, 230165), (65, 184132), (130, 92066), (169, 70820), (260, 46033), (338, 35410), (676, 17705), (845, 14164), (1690, 7082), (3380, 3541)]