42617800

素因数分解:

$2^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 99519300

約数和(自身を除く): 56901500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 521, 818, 1042, 1636, 2045, 2084, 2605, 3272, 4090, 4168, 5210, 8180, 10225, 10420, 13025, 16360, 20450, 20840, 26050, 40900, 52100, 81800, 104200, 213089, 426178, 852356, 1065445, 1704712, 2130890, 4261780, 5327225, 8523560, 10654450, 21308900, 42617800]

約数ペア:

[(1, 42617800), (2, 21308900), (4, 10654450), (5, 8523560), (8, 5327225), (10, 4261780), (20, 2130890), (25, 1704712), (40, 1065445), (50, 852356), (100, 426178), (200, 213089), (409, 104200), (521, 81800), (818, 52100), (1042, 40900), (1636, 26050), (2045, 20840), (2084, 20450), (2605, 16360), (3272, 13025), (4090, 10420), (4168, 10225), (5210, 8180)]