8215840

素因数分解:

$2^5\times 5^1\times {\mathrm{51349}}^1$

素因数の和:51364

約数の個数: 24

約数和(自身を含む): 19410300

約数和(自身を除く): 11194460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 51349, 102698, 205396, 256745, 410792, 513490, 821584, 1026980, 1643168, 2053960, 4107920, 8215840]

約数ペア:

[(1, 8215840), (2, 4107920), (4, 2053960), (5, 1643168), (8, 1026980), (10, 821584), (16, 513490), (20, 410792), (32, 256745), (40, 205396), (80, 102698), (160, 51349)]