4951120

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 11606400

約数和(自身を除く): 6655280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 311, 398, 622, 796, 995, 1244, 1555, 1592, 1990, 2488, 3110, 3184, 3980, 4976, 6220, 7960, 12440, 15920, 24880, 61889, 123778, 247556, 309445, 495112, 618890, 990224, 1237780, 2475560, 4951120]

約数ペア:

[(1, 4951120), (2, 2475560), (4, 1237780), (5, 990224), (8, 618890), (10, 495112), (16, 309445), (20, 247556), (40, 123778), (80, 61889), (199, 24880), (311, 15920), (398, 12440), (622, 7960), (796, 6220), (995, 4976), (1244, 3980), (1555, 3184), (1592, 3110), (1990, 2488)]