71654920

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2411}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 161507520

約数和(自身を除く): 89852600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2411, 2972, 3715, 4822, 5944, 7430, 9644, 12055, 14860, 19288, 24110, 29720, 48220, 96440, 1791373, 3582746, 7165492, 8956865, 14330984, 17913730, 35827460, 71654920]

約数ペア:

[(1, 71654920), (2, 35827460), (4, 17913730), (5, 14330984), (8, 8956865), (10, 7165492), (20, 3582746), (40, 1791373), (743, 96440), (1486, 48220), (2411, 29720), (2972, 24110), (3715, 19288), (4822, 14860), (5944, 12055), (7430, 9644)]