31156540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^2$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 66703896

約数和(自身を除く): 35547356

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 332, 415, 548, 685, 830, 1370, 1660, 2740, 11371, 18769, 22742, 37538, 45484, 56855, 75076, 93845, 113710, 187690, 227420, 375380, 1557827, 3115654, 6231308, 7789135, 15578270, 31156540]

約数ペア:

[(1, 31156540), (2, 15578270), (4, 7789135), (5, 6231308), (10, 3115654), (20, 1557827), (83, 375380), (137, 227420), (166, 187690), (274, 113710), (332, 93845), (415, 75076), (548, 56855), (685, 45484), (830, 37538), (1370, 22742), (1660, 18769), (2740, 11371)]