66977080

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1297}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 150931440

約数和(自身を除く): 83954360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 1297, 2582, 2594, 5164, 5188, 6455, 6485, 10328, 10376, 12910, 12970, 25820, 25940, 51640, 51880, 1674427, 3348854, 6697708, 8372135, 13395416, 16744270, 33488540, 66977080]

約数ペア:

[(1, 66977080), (2, 33488540), (4, 16744270), (5, 13395416), (8, 8372135), (10, 6697708), (20, 3348854), (40, 1674427), (1291, 51880), (1297, 51640), (2582, 25940), (2594, 25820), (5164, 12970), (5188, 12910), (6455, 10376), (6485, 10328)]