6647660

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 14012880

約数和(自身を除く): 7365220

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 877, 1516, 1754, 1895, 3508, 3790, 4385, 7580, 8770, 17540, 332383, 664766, 1329532, 1661915, 3323830, 6647660]

約数ペア:

[(1, 6647660), (2, 3323830), (4, 1661915), (5, 1329532), (10, 664766), (20, 332383), (379, 17540), (758, 8770), (877, 7580), (1516, 4385), (1754, 3790), (1895, 3508)]