71092040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12973}}^1$

素因数の和:13121

約数の個数: 32

約数和(自身を含む): 161137080

約数和(自身を除く): 90045040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12973, 25946, 51892, 64865, 103784, 129730, 259460, 518920, 1777301, 3554602, 7109204, 8886505, 14218408, 17773010, 35546020, 71092040]

約数ペア:

[(1, 71092040), (2, 35546020), (4, 17773010), (5, 14218408), (8, 8886505), (10, 7109204), (20, 3554602), (40, 1777301), (137, 518920), (274, 259460), (548, 129730), (685, 103784), (1096, 64865), (1370, 51892), (2740, 25946), (5480, 12973)]