80021590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4463}}^1$

素因数の和:4644

約数の個数: 32

約数和(自身を含む): 158132736

約数和(自身を除く): 78111146

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1630, 1793, 3586, 4463, 8926, 8965, 17930, 22315, 44630, 49093, 98186, 245465, 490930, 727469, 1454938, 3637345, 7274690, 8002159, 16004318, 40010795, 80021590]

約数ペア:

[(1, 80021590), (2, 40010795), (5, 16004318), (10, 8002159), (11, 7274690), (22, 3637345), (55, 1454938), (110, 727469), (163, 490930), (326, 245465), (815, 98186), (1630, 49093), (1793, 44630), (3586, 22315), (4463, 17930), (8926, 8965)]