1800944120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{957949}}^1$

素因数の和:958007

約数の個数: 32

約数和(自身を含む): 4138344000

約数和(自身を除く): 2337399880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 957949, 1915898, 3831796, 4789745, 7663592, 9579490, 19158980, 38317960, 45023603, 90047206, 180094412, 225118015, 360188824, 450236030, 900472060, 1800944120]

約数ペア:

[(1, 1800944120), (2, 900472060), (4, 450236030), (5, 360188824), (8, 225118015), (10, 180094412), (20, 90047206), (40, 45023603), (47, 38317960), (94, 19158980), (188, 9579490), (235, 7663592), (376, 4789745), (470, 3831796), (940, 1915898), (1880, 957949)]