726016040

素因数分解:

$2^3\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{12157}}^1$

素因数の和:13661

約数の個数: 32

約数和(自身を含む): 1634764680

約数和(自身を除く): 908748640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1493, 2986, 5972, 7465, 11944, 12157, 14930, 24314, 29860, 48628, 59720, 60785, 97256, 121570, 243140, 486280, 18150401, 36300802, 72601604, 90752005, 145203208, 181504010, 363008020, 726016040]

約数ペア:

[(1, 726016040), (2, 363008020), (4, 181504010), (5, 145203208), (8, 90752005), (10, 72601604), (20, 36300802), (40, 18150401), (1493, 486280), (2986, 243140), (5972, 121570), (7465, 97256), (11944, 60785), (12157, 59720), (14930, 48628), (24314, 29860)]