9997760

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 24079200

約数和(自身を除く): 14081440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 199, 314, 320, 398, 628, 785, 796, 995, 1256, 1570, 1592, 1990, 2512, 3140, 3184, 3980, 5024, 6280, 6368, 7960, 10048, 12560, 12736, 15920, 25120, 31243, 31840, 50240, 62486, 63680, 124972, 156215, 249944, 312430, 499888, 624860, 999776, 1249720, 1999552, 2499440, 4998880, 9997760]

約数ペア:

[(1, 9997760), (2, 4998880), (4, 2499440), (5, 1999552), (8, 1249720), (10, 999776), (16, 624860), (20, 499888), (32, 312430), (40, 249944), (64, 156215), (80, 124972), (157, 63680), (160, 62486), (199, 50240), (314, 31840), (320, 31243), (398, 25120), (628, 15920), (785, 12736), (796, 12560), (995, 10048), (1256, 7960), (1570, 6368), (1592, 6280), (1990, 5024), (2512, 3980), (3140, 3184)]