80279260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 172349856

約数和(自身を除く): 92070596

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 332, 353, 415, 548, 685, 706, 830, 1370, 1412, 1660, 1765, 2740, 3530, 7060, 11371, 22742, 29299, 45484, 48361, 56855, 58598, 96722, 113710, 117196, 146495, 193444, 227420, 241805, 292990, 483610, 585980, 967220, 4013963, 8027926, 16055852, 20069815, 40139630, 80279260]

約数ペア:

[(1, 80279260), (2, 40139630), (4, 20069815), (5, 16055852), (10, 8027926), (20, 4013963), (83, 967220), (137, 585980), (166, 483610), (274, 292990), (332, 241805), (353, 227420), (415, 193444), (548, 146495), (685, 117196), (706, 113710), (830, 96722), (1370, 58598), (1412, 56855), (1660, 48361), (1765, 45484), (2740, 29299), (3530, 22742), (7060, 11371)]