2008558760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{54403}}^1$

素因数の和:54498

約数の個数: 64

約数和(自身を含む): 4935530880

約数和(自身を除く): 2926972120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 7384, 9230, 18460, 36920, 54403, 108806, 217612, 272015, 435224, 544030, 707239, 1088060, 1414478, 2176120, 2828956, 3536195, 3862613, 5657912, 7072390, 7725226, 14144780, 15450452, 19313065, 28289560, 30900904, 38626130, 50213969, 77252260, 100427938, 154504520, 200855876, 251069845, 401711752, 502139690, 1004279380, 2008558760]

約数ペア:

[(1, 2008558760), (2, 1004279380), (4, 502139690), (5, 401711752), (8, 251069845), (10, 200855876), (13, 154504520), (20, 100427938), (26, 77252260), (40, 50213969), (52, 38626130), (65, 30900904), (71, 28289560), (104, 19313065), (130, 15450452), (142, 14144780), (260, 7725226), (284, 7072390), (355, 5657912), (520, 3862613), (568, 3536195), (710, 2828956), (923, 2176120), (1420, 1414478), (1846, 1088060), (2840, 707239), (3692, 544030), (4615, 435224), (7384, 272015), (9230, 217612), (18460, 108806), (36920, 54403)]