26588680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 64482480

約数和(自身を除く): 37893800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 641, 680, 1037, 1220, 1282, 2074, 2440, 2564, 3205, 4148, 5128, 5185, 6410, 8296, 10370, 10897, 12820, 20740, 21794, 25640, 39101, 41480, 43588, 54485, 78202, 87176, 108970, 156404, 195505, 217940, 312808, 391010, 435880, 664717, 782020, 1329434, 1564040, 2658868, 3323585, 5317736, 6647170, 13294340, 26588680]

約数ペア:

[(1, 26588680), (2, 13294340), (4, 6647170), (5, 5317736), (8, 3323585), (10, 2658868), (17, 1564040), (20, 1329434), (34, 782020), (40, 664717), (61, 435880), (68, 391010), (85, 312808), (122, 217940), (136, 195505), (170, 156404), (244, 108970), (305, 87176), (340, 78202), (488, 54485), (610, 43588), (641, 41480), (680, 39101), (1037, 25640), (1220, 21794), (1282, 20740), (2074, 12820), (2440, 10897), (2564, 10370), (3205, 8296), (4148, 6410), (5128, 5185)]