6656780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25603}}^1$

素因数の和:25625

約数の個数: 24

約数和(自身を含む): 15055152

約数和(自身を除く): 8398372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25603, 51206, 102412, 128015, 256030, 332839, 512060, 665678, 1331356, 1664195, 3328390, 6656780]

約数ペア:

[(1, 6656780), (2, 3328390), (4, 1664195), (5, 1331356), (10, 665678), (13, 512060), (20, 332839), (26, 256030), (52, 128015), (65, 102412), (130, 51206), (260, 25603)]