34478766640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{20071}}^1$

素因数の和:20390

約数の個数: 80

約数和(自身を含む): 81313277760

約数和(自身を除く): 46834511120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 197, 218, 394, 436, 545, 788, 872, 985, 1090, 1576, 1744, 1970, 2180, 3152, 3940, 4360, 7880, 8720, 15760, 20071, 21473, 40142, 42946, 80284, 85892, 100355, 107365, 160568, 171784, 200710, 214730, 321136, 343568, 401420, 429460, 802840, 858920, 1605680, 1717840, 2187739, 3953987, 4375478, 7907974, 8750956, 10938695, 15815948, 17501912, 19769935, 21877390, 31631896, 35003824, 39539870, 43754780, 63263792, 79079740, 87509560, 158159480, 175019120, 316318960, 430984583, 861969166, 1723938332, 2154922915, 3447876664, 4309845830, 6895753328, 8619691660, 17239383320, 34478766640]

約数ペア:

[(1, 34478766640), (2, 17239383320), (4, 8619691660), (5, 6895753328), (8, 4309845830), (10, 3447876664), (16, 2154922915), (20, 1723938332), (40, 861969166), (80, 430984583), (109, 316318960), (197, 175019120), (218, 158159480), (394, 87509560), (436, 79079740), (545, 63263792), (788, 43754780), (872, 39539870), (985, 35003824), (1090, 31631896), (1576, 21877390), (1744, 19769935), (1970, 17501912), (2180, 15815948), (3152, 10938695), (3940, 8750956), (4360, 7907974), (7880, 4375478), (8720, 3953987), (15760, 2187739), (20071, 1717840), (21473, 1605680), (40142, 858920), (42946, 802840), (80284, 429460), (85892, 401420), (100355, 343568), (107365, 321136), (160568, 214730), (171784, 200710)]