39912560

素因数分解:

$2^4\times 5^1\times {\mathrm{498907}}^1$

素因数の和:498920

約数の個数: 20

約数和(自身を含む): 92796888

約数和(自身を除く): 52884328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 498907, 997814, 1995628, 2494535, 3991256, 4989070, 7982512, 9978140, 19956280, 39912560]

約数ペア:

[(1, 39912560), (2, 19956280), (4, 9978140), (5, 7982512), (8, 4989070), (10, 3991256), (16, 2494535), (20, 1995628), (40, 997814), (80, 498907)]