168911240

素因数分解:

$2^3\times 5^1\times {\mathrm{4222781}}^1$

素因数の和:4222792

約数の個数: 16

約数和(自身を含む): 380050380

約数和(自身を除く): 211139140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4222781, 8445562, 16891124, 21113905, 33782248, 42227810, 84455620, 168911240]

約数ペア:

[(1, 168911240), (2, 84455620), (4, 42227810), (5, 33782248), (8, 21113905), (10, 16891124), (20, 8445562), (40, 4222781)]