8045446840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1\times {\mathrm{4519}}^1$

素因数の和:5524

約数の個数: 64

約数和(自身を含む): 18511027200

約数和(自身を除く): 10465580360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 947, 1880, 1894, 3788, 4519, 4735, 7576, 9038, 9470, 18076, 18940, 22595, 36152, 37880, 44509, 45190, 89018, 90380, 178036, 180760, 212393, 222545, 356072, 424786, 445090, 849572, 890180, 1061965, 1699144, 1780360, 2123930, 4247860, 4279493, 8495720, 8558986, 17117972, 21397465, 34235944, 42794930, 85589860, 171179720, 201136171, 402272342, 804544684, 1005680855, 1609089368, 2011361710, 4022723420, 8045446840]

約数ペア:

[(1, 8045446840), (2, 4022723420), (4, 2011361710), (5, 1609089368), (8, 1005680855), (10, 804544684), (20, 402272342), (40, 201136171), (47, 171179720), (94, 85589860), (188, 42794930), (235, 34235944), (376, 21397465), (470, 17117972), (940, 8558986), (947, 8495720), (1880, 4279493), (1894, 4247860), (3788, 2123930), (4519, 1780360), (4735, 1699144), (7576, 1061965), (9038, 890180), (9470, 849572), (18076, 445090), (18940, 424786), (22595, 356072), (36152, 222545), (37880, 212393), (44509, 180760), (45190, 178036), (89018, 90380)]