31460680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5741}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 71315640

約数和(自身を除く): 39854960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 5741, 11482, 22964, 28705, 45928, 57410, 114820, 229640, 786517, 1573034, 3146068, 3932585, 6292136, 7865170, 15730340, 31460680]

約数ペア:

[(1, 31460680), (2, 15730340), (4, 7865170), (5, 6292136), (8, 3932585), (10, 3146068), (20, 1573034), (40, 786517), (137, 229640), (274, 114820), (548, 57410), (685, 45928), (1096, 28705), (1370, 22964), (2740, 11482), (5480, 5741)]