38406280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 94970880

約数和(自身を除く): 56564600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 457, 764, 914, 955, 1528, 1828, 1910, 2101, 2285, 3656, 3820, 4202, 4570, 5027, 7640, 8404, 9140, 10054, 10505, 16808, 18280, 20108, 21010, 25135, 40216, 42020, 50270, 84040, 87287, 100540, 174574, 201080, 349148, 436435, 698296, 872870, 960157, 1745740, 1920314, 3491480, 3840628, 4800785, 7681256, 9601570, 19203140, 38406280]

約数ペア:

[(1, 38406280), (2, 19203140), (4, 9601570), (5, 7681256), (8, 4800785), (10, 3840628), (11, 3491480), (20, 1920314), (22, 1745740), (40, 960157), (44, 872870), (55, 698296), (88, 436435), (110, 349148), (191, 201080), (220, 174574), (382, 100540), (440, 87287), (457, 84040), (764, 50270), (914, 42020), (955, 40216), (1528, 25135), (1828, 21010), (1910, 20108), (2101, 18280), (2285, 16808), (3656, 10505), (3820, 10054), (4202, 9140), (4570, 8404), (5027, 7640)]