82242800

素因数分解:

$2^4\times 5^2\times {\mathrm{205607}}^1$

素因数の和:205625

約数の個数: 30

約数和(自身を含む): 197589288

約数和(自身を除く): 115346488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205607, 411214, 822428, 1028035, 1644856, 2056070, 3289712, 4112140, 5140175, 8224280, 10280350, 16448560, 20560700, 41121400, 82242800]

約数ペア:

[(1, 82242800), (2, 41121400), (4, 20560700), (5, 16448560), (8, 10280350), (10, 8224280), (16, 5140175), (20, 4112140), (25, 3289712), (40, 2056070), (50, 1644856), (80, 1028035), (100, 822428), (200, 411214), (400, 205607)]