31895480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 76991040

約数和(自身を除く): 45095560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 937, 1480, 1702, 1874, 3404, 3748, 4255, 4685, 6808, 7496, 8510, 9370, 17020, 18740, 21551, 34040, 34669, 37480, 43102, 69338, 86204, 107755, 138676, 172408, 173345, 215510, 277352, 346690, 431020, 693380, 797387, 862040, 1386760, 1594774, 3189548, 3986935, 6379096, 7973870, 15947740, 31895480]

約数ペア:

[(1, 31895480), (2, 15947740), (4, 7973870), (5, 6379096), (8, 3986935), (10, 3189548), (20, 1594774), (23, 1386760), (37, 862040), (40, 797387), (46, 693380), (74, 431020), (92, 346690), (115, 277352), (148, 215510), (184, 173345), (185, 172408), (230, 138676), (296, 107755), (370, 86204), (460, 69338), (740, 43102), (851, 37480), (920, 34669), (937, 34040), (1480, 21551), (1702, 18740), (1874, 17020), (3404, 9370), (3748, 8510), (4255, 7496), (4685, 6808)]