9965920

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 23738400

約数和(自身を除く): 13772480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 313, 398, 626, 796, 995, 1252, 1565, 1592, 1990, 2504, 3130, 3184, 3980, 5008, 6260, 6368, 7960, 10016, 12520, 15920, 25040, 31840, 50080, 62287, 124574, 249148, 311435, 498296, 622870, 996592, 1245740, 1993184, 2491480, 4982960, 9965920]

約数ペア:

[(1, 9965920), (2, 4982960), (4, 2491480), (5, 1993184), (8, 1245740), (10, 996592), (16, 622870), (20, 498296), (32, 311435), (40, 249148), (80, 124574), (160, 62287), (199, 50080), (313, 31840), (398, 25040), (626, 15920), (796, 12520), (995, 10016), (1252, 7960), (1565, 6368), (1592, 6260), (1990, 5008), (2504, 3980), (3130, 3184)]