80938340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578131}}^1$

素因数の和:578147

約数の個数: 24

約数和(自身を含む): 194252352

約数和(自身を除く): 113314012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578131, 1156262, 2312524, 2890655, 4046917, 5781310, 8093834, 11562620, 16187668, 20234585, 40469170, 80938340]

約数ペア:

[(1, 80938340), (2, 40469170), (4, 20234585), (5, 16187668), (7, 11562620), (10, 8093834), (14, 5781310), (20, 4046917), (28, 2890655), (35, 2312524), (70, 1156262), (140, 578131)]