28896040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5273}}^1$

素因数の和:5421

約数の個数: 32

約数和(自身を含む): 65503080

約数和(自身を除く): 36607040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5273, 5480, 10546, 21092, 26365, 42184, 52730, 105460, 210920, 722401, 1444802, 2889604, 3612005, 5779208, 7224010, 14448020, 28896040]

約数ペア:

[(1, 28896040), (2, 14448020), (4, 7224010), (5, 5779208), (8, 3612005), (10, 2889604), (20, 1444802), (40, 722401), (137, 210920), (274, 105460), (548, 52730), (685, 42184), (1096, 26365), (1370, 21092), (2740, 10546), (5273, 5480)]