26581980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15277}}^1$

素因数の和:15318

約数の個数: 48

約数和(自身を含む): 77001120

約数和(自身を除く): 50419140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 15277, 30554, 45831, 61108, 76385, 91662, 152770, 183324, 229155, 305540, 443033, 458310, 886066, 916620, 1329099, 1772132, 2215165, 2658198, 4430330, 5316396, 6645495, 8860660, 13290990, 26581980]

約数ペア:

[(1, 26581980), (2, 13290990), (3, 8860660), (4, 6645495), (5, 5316396), (6, 4430330), (10, 2658198), (12, 2215165), (15, 1772132), (20, 1329099), (29, 916620), (30, 886066), (58, 458310), (60, 443033), (87, 305540), (116, 229155), (145, 183324), (174, 152770), (290, 91662), (348, 76385), (435, 61108), (580, 45831), (870, 30554), (1740, 15277)]