13292920

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 30016800

約数和(自身を除く): 16723880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 757, 878, 1514, 1756, 2195, 3028, 3512, 3785, 4390, 6056, 7570, 8780, 15140, 17560, 30280, 332323, 664646, 1329292, 1661615, 2658584, 3323230, 6646460, 13292920]

約数ペア:

[(1, 13292920), (2, 6646460), (4, 3323230), (5, 2658584), (8, 1661615), (10, 1329292), (20, 664646), (40, 332323), (439, 30280), (757, 17560), (878, 15140), (1514, 8780), (1756, 7570), (2195, 6056), (3028, 4390), (3512, 3785)]