201605920

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17747}}^1$

素因数の和:17833

約数の個数: 48

約数和(自身を含む): 483029568

約数和(自身を除く): 281423648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 17747, 35494, 70988, 88735, 141976, 177470, 283952, 354940, 567904, 709880, 1260037, 1419760, 2520074, 2839520, 5040148, 6300185, 10080296, 12600370, 20160592, 25200740, 40321184, 50401480, 100802960, 201605920]

約数ペア:

[(1, 201605920), (2, 100802960), (4, 50401480), (5, 40321184), (8, 25200740), (10, 20160592), (16, 12600370), (20, 10080296), (32, 6300185), (40, 5040148), (71, 2839520), (80, 2520074), (142, 1419760), (160, 1260037), (284, 709880), (355, 567904), (568, 354940), (710, 283952), (1136, 177470), (1420, 141976), (2272, 88735), (2840, 70988), (5680, 35494), (11360, 17747)]