2789712040

素因数分解:

$2^3\times 5^1\times {\mathrm{69742801}}^1$

素因数の和:69742812

約数の個数: 16

約数和(自身を含む): 6276852180

約数和(自身を除く): 3487140140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 69742801, 139485602, 278971204, 348714005, 557942408, 697428010, 1394856020, 2789712040]

約数ペア:

[(1, 2789712040), (2, 1394856020), (4, 697428010), (5, 557942408), (8, 348714005), (10, 278971204), (20, 139485602), (40, 69742801)]