12662140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 27808704

約数和(自身を除く): 15146564

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 241, 284, 355, 370, 482, 710, 740, 964, 1205, 1420, 2410, 2627, 4820, 5254, 8917, 10508, 13135, 17111, 17834, 26270, 34222, 35668, 44585, 52540, 68444, 85555, 89170, 171110, 178340, 342220, 633107, 1266214, 2532428, 3165535, 6331070, 12662140]

約数ペア:

[(1, 12662140), (2, 6331070), (4, 3165535), (5, 2532428), (10, 1266214), (20, 633107), (37, 342220), (71, 178340), (74, 171110), (142, 89170), (148, 85555), (185, 68444), (241, 52540), (284, 44585), (355, 35668), (370, 34222), (482, 26270), (710, 17834), (740, 17111), (964, 13135), (1205, 10508), (1420, 8917), (2410, 5254), (2627, 4820)]