528025880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 1221605280

約数和(自身を除く): 693579400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 397, 410, 794, 811, 820, 1588, 1622, 1640, 1985, 3176, 3244, 3970, 4055, 6488, 7940, 8110, 15880, 16220, 16277, 32440, 32554, 33251, 65108, 66502, 81385, 130216, 133004, 162770, 166255, 266008, 321967, 325540, 332510, 643934, 651080, 665020, 1287868, 1330040, 1609835, 2575736, 3219670, 6439340, 12878680, 13200647, 26401294, 52802588, 66003235, 105605176, 132006470, 264012940, 528025880]

約数ペア:

[(1, 528025880), (2, 264012940), (4, 132006470), (5, 105605176), (8, 66003235), (10, 52802588), (20, 26401294), (40, 13200647), (41, 12878680), (82, 6439340), (164, 3219670), (205, 2575736), (328, 1609835), (397, 1330040), (410, 1287868), (794, 665020), (811, 651080), (820, 643934), (1588, 332510), (1622, 325540), (1640, 321967), (1985, 266008), (3176, 166255), (3244, 162770), (3970, 133004), (4055, 130216), (6488, 81385), (7940, 66502), (8110, 65108), (15880, 33251), (16220, 32554), (16277, 32440)]