13231510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 24552000

約数和(自身を除く): 11320490

約数列:

[1, 2, 5, 10, 61, 109, 122, 199, 218, 305, 398, 545, 610, 995, 1090, 1990, 6649, 12139, 13298, 21691, 24278, 33245, 43382, 60695, 66490, 108455, 121390, 216910, 1323151, 2646302, 6615755, 13231510]

約数ペア:

[(1, 13231510), (2, 6615755), (5, 2646302), (10, 1323151), (61, 216910), (109, 121390), (122, 108455), (199, 66490), (218, 60695), (305, 43382), (398, 33245), (545, 24278), (610, 21691), (995, 13298), (1090, 12139), (1990, 6649)]