80931650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{34439}}^1$

素因数の和:34498

約数の個数: 24

約数和(自身を含む): 153740160

約数和(自身を除く): 72808510

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 34439, 68878, 172195, 344390, 860975, 1618633, 1721950, 3237266, 8093165, 16186330, 40465825, 80931650]

約数ペア:

[(1, 80931650), (2, 40465825), (5, 16186330), (10, 8093165), (25, 3237266), (47, 1721950), (50, 1618633), (94, 860975), (235, 344390), (470, 172195), (1175, 68878), (2350, 34439)]