68289220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{48091}}^1$

素因数の和:48171

約数の個数: 24

約数和(自身を含む): 145430208

約数和(自身を除く): 77140988

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 48091, 96182, 192364, 240455, 480910, 961820, 3414461, 6828922, 13657844, 17072305, 34144610, 68289220]

約数ペア:

[(1, 68289220), (2, 34144610), (4, 17072305), (5, 13657844), (10, 6828922), (20, 3414461), (71, 961820), (142, 480910), (284, 240455), (355, 192364), (710, 96182), (1420, 48091)]