61740680

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8623}}^1$

素因数の和:8813

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 77968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 8623, 17246, 34492, 43115, 68984, 86230, 172460, 344920, 1543517, 3087034, 6174068, 7717585, 12348136, 15435170, 30870340, 61740680]

約数ペア:

[(1, 61740680), (2, 30870340), (4, 15435170), (5, 12348136), (8, 7717585), (10, 6174068), (20, 3087034), (40, 1543517), (179, 344920), (358, 172460), (716, 86230), (895, 68984), (1432, 43115), (1790, 34492), (3580, 17246), (7160, 8623)]