64158740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 139318032

約数和(自身を除く): 75159292

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 277, 313, 370, 554, 626, 740, 1108, 1252, 1385, 1565, 2770, 3130, 5540, 6260, 10249, 11581, 20498, 23162, 40996, 46324, 51245, 57905, 86701, 102490, 115810, 173402, 204980, 231620, 346804, 433505, 867010, 1734020, 3207937, 6415874, 12831748, 16039685, 32079370, 64158740]

約数ペア:

[(1, 64158740), (2, 32079370), (4, 16039685), (5, 12831748), (10, 6415874), (20, 3207937), (37, 1734020), (74, 867010), (148, 433505), (185, 346804), (277, 231620), (313, 204980), (370, 173402), (554, 115810), (626, 102490), (740, 86701), (1108, 57905), (1252, 51245), (1385, 46324), (1565, 40996), (2770, 23162), (3130, 20498), (5540, 11581), (6260, 10249)]