78945340

素因数分解:

$2^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{3191}}^1$

素因数の和:4437

約数の個数: 24

約数和(自身を含む): 165971232

約数和(自身を除く): 87025892

約数列:

[1, 2, 4, 5, 10, 20, 1237, 2474, 3191, 4948, 6185, 6382, 12370, 12764, 15955, 24740, 31910, 63820, 3947267, 7894534, 15789068, 19736335, 39472670, 78945340]

約数ペア:

[(1, 78945340), (2, 39472670), (4, 19736335), (5, 15789068), (10, 7894534), (20, 3947267), (1237, 63820), (2474, 31910), (3191, 24740), (4948, 15955), (6185, 12764), (6382, 12370)]