82812160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2139

約数の個数: 72

約数和(自身を含む): 204857856

約数和(自身を除く): 122045696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2087, 2480, 3968, 4174, 4960, 7936, 8348, 9920, 10435, 16696, 19840, 20870, 33392, 39680, 41740, 64697, 66784, 83480, 129394, 133568, 166960, 258788, 267136, 323485, 333920, 517576, 534272, 646970, 667840, 1035152, 1293940, 1335680, 2070304, 2587880, 2671360, 4140608, 5175760, 8281216, 10351520, 16562432, 20703040, 41406080, 82812160]

約数ペア:

[(1, 82812160), (2, 41406080), (4, 20703040), (5, 16562432), (8, 10351520), (10, 8281216), (16, 5175760), (20, 4140608), (31, 2671360), (32, 2587880), (40, 2070304), (62, 1335680), (64, 1293940), (80, 1035152), (124, 667840), (128, 646970), (155, 534272), (160, 517576), (248, 333920), (256, 323485), (310, 267136), (320, 258788), (496, 166960), (620, 133568), (640, 129394), (992, 83480), (1240, 66784), (1280, 64697), (1984, 41740), (2087, 39680), (2480, 33392), (3968, 20870), (4174, 19840), (4960, 16696), (7936, 10435), (8348, 9920)]