8455600

素因数分解:

$2^4\times 5^2\times {\mathrm{21139}}^1$

素因数の和:21157

約数の個数: 30

約数和(自身を含む): 20315540

約数和(自身を除く): 11859940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21139, 42278, 84556, 105695, 169112, 211390, 338224, 422780, 528475, 845560, 1056950, 1691120, 2113900, 4227800, 8455600]

約数ペア:

[(1, 8455600), (2, 4227800), (4, 2113900), (5, 1691120), (8, 1056950), (10, 845560), (16, 528475), (20, 422780), (25, 338224), (40, 211390), (50, 169112), (80, 105695), (100, 84556), (200, 42278), (400, 21139)]