31989400

素因数分解:

$2^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 74760840

約数和(自身を除く): 42771440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 307, 521, 614, 1042, 1228, 1535, 2084, 2456, 2605, 3070, 4168, 5210, 6140, 7675, 10420, 12280, 13025, 15350, 20840, 26050, 30700, 52100, 61400, 104200, 159947, 319894, 639788, 799735, 1279576, 1599470, 3198940, 3998675, 6397880, 7997350, 15994700, 31989400]

約数ペア:

[(1, 31989400), (2, 15994700), (4, 7997350), (5, 6397880), (8, 3998675), (10, 3198940), (20, 1599470), (25, 1279576), (40, 799735), (50, 639788), (100, 319894), (200, 159947), (307, 104200), (521, 61400), (614, 52100), (1042, 30700), (1228, 26050), (1535, 20840), (2084, 15350), (2456, 13025), (2605, 12280), (3070, 10420), (4168, 7675), (5210, 6140)]