84740140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{53633}}^1$

素因数の和:53721

約数の個数: 24

約数和(自身を含む): 180210240

約数和(自身を除く): 95470100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 53633, 107266, 214532, 268165, 536330, 1072660, 4237007, 8474014, 16948028, 21185035, 42370070, 84740140]

約数ペア:

[(1, 84740140), (2, 42370070), (4, 21185035), (5, 16948028), (10, 8474014), (20, 4237007), (79, 1072660), (158, 536330), (316, 268165), (395, 214532), (790, 107266), (1580, 53633)]