971120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 2306400

約数和(自身を除く): 1335280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 199, 244, 305, 398, 488, 610, 796, 976, 995, 1220, 1592, 1990, 2440, 3184, 3980, 4880, 7960, 12139, 15920, 24278, 48556, 60695, 97112, 121390, 194224, 242780, 485560, 971120]

約数ペア:

[(1, 971120), (2, 485560), (4, 242780), (5, 194224), (8, 121390), (10, 97112), (16, 60695), (20, 48556), (40, 24278), (61, 15920), (80, 12139), (122, 7960), (199, 4880), (244, 3980), (305, 3184), (398, 2440), (488, 1990), (610, 1592), (796, 1220), (976, 995)]