72730040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16993}}^1$

素因数の和:17111

約数の個数: 32

約数和(自身を含む): 165181680

約数和(自身を除く): 92451640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16993, 33986, 67972, 84965, 135944, 169930, 339860, 679720, 1818251, 3636502, 7273004, 9091255, 14546008, 18182510, 36365020, 72730040]

約数ペア:

[(1, 72730040), (2, 36365020), (4, 18182510), (5, 14546008), (8, 9091255), (10, 7273004), (20, 3636502), (40, 1818251), (107, 679720), (214, 339860), (428, 169930), (535, 135944), (856, 84965), (1070, 67972), (2140, 33986), (4280, 16993)]