81079340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 173601792

約数和(自身を除く): 92522452

約数列:

[1, 2, 4, 5, 10, 20, 127, 137, 233, 254, 274, 466, 508, 548, 635, 685, 932, 1165, 1270, 1370, 2330, 2540, 2740, 4660, 17399, 29591, 31921, 34798, 59182, 63842, 69596, 86995, 118364, 127684, 147955, 159605, 173990, 295910, 319210, 347980, 591820, 638420, 4053967, 8107934, 16215868, 20269835, 40539670, 81079340]

約数ペア:

[(1, 81079340), (2, 40539670), (4, 20269835), (5, 16215868), (10, 8107934), (20, 4053967), (127, 638420), (137, 591820), (233, 347980), (254, 319210), (274, 295910), (466, 173990), (508, 159605), (548, 147955), (635, 127684), (685, 118364), (932, 86995), (1165, 69596), (1270, 63842), (1370, 59182), (2330, 34798), (2540, 31921), (2740, 29591), (4660, 17399)]