10400240

素因数分解:

$2^4\times 5^1\times {\mathrm{130003}}^1$

素因数の和:130016

約数の個数: 20

約数和(自身を含む): 24180744

約数和(自身を除く): 13780504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 130003, 260006, 520012, 650015, 1040024, 1300030, 2080048, 2600060, 5200120, 10400240]

約数ペア:

[(1, 10400240), (2, 5200120), (4, 2600060), (5, 2080048), (8, 1300030), (10, 1040024), (16, 650015), (20, 520012), (40, 260006), (80, 130003)]