17996910025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{42929}}^1$

素因数の和:43389

約数の個数: 24

約数和(自身を含む): 22916892600

約数和(自身を除く): 4919982575

約数列:

[1, 5, 25, 41, 205, 409, 1025, 2045, 10225, 16769, 42929, 83845, 214645, 419225, 1073225, 1760089, 8800445, 17557961, 44002225, 87789805, 438949025, 719876401, 3599382005, 17996910025]

約数ペア:

[(1, 17996910025), (5, 3599382005), (25, 719876401), (41, 438949025), (205, 87789805), (409, 44002225), (1025, 17557961), (2045, 8800445), (10225, 1760089), (16769, 1073225), (42929, 419225), (83845, 214645)]