4178000

素因数分解:

$2^4\times 5^3\times {\mathrm{2089}}^1$

素因数の和:2112

約数の個数: 40

約数和(自身を含む): 10107240

約数和(自身を除く): 5929240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2089, 4178, 8356, 10445, 16712, 20890, 33424, 41780, 52225, 83560, 104450, 167120, 208900, 261125, 417800, 522250, 835600, 1044500, 2089000, 4178000]

約数ペア:

[(1, 4178000), (2, 2089000), (4, 1044500), (5, 835600), (8, 522250), (10, 417800), (16, 261125), (20, 208900), (25, 167120), (40, 104450), (50, 83560), (80, 52225), (100, 41780), (125, 33424), (200, 20890), (250, 16712), (400, 10445), (500, 8356), (1000, 4178), (2000, 2089)]