65938040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{235493}}^1$

素因数の和:235511

約数の個数: 32

約数和(自身を含む): 169555680

約数和(自身を除く): 103617640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 235493, 470986, 941972, 1177465, 1648451, 1883944, 2354930, 3296902, 4709860, 6593804, 8242255, 9419720, 13187608, 16484510, 32969020, 65938040]

約数ペア:

[(1, 65938040), (2, 32969020), (4, 16484510), (5, 13187608), (7, 9419720), (8, 8242255), (10, 6593804), (14, 4709860), (20, 3296902), (28, 2354930), (35, 1883944), (40, 1648451), (56, 1177465), (70, 941972), (140, 470986), (280, 235493)]