20171728040

素因数分解:

$2^3\times 5^1\times {\mathrm{504293201}}^1$

素因数の和:504293212

約数の個数: 16

約数和(自身を含む): 45386388180

約数和(自身を除く): 25214660140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504293201, 1008586402, 2017172804, 2521466005, 4034345608, 5042932010, 10085864020, 20171728040]

約数ペア:

[(1, 20171728040), (2, 10085864020), (4, 5042932010), (5, 4034345608), (8, 2521466005), (10, 2017172804), (20, 1008586402), (40, 504293201)]