80397515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 109190592

約数和(自身を除く): 28793077

約数列:

[1, 5, 11, 41, 55, 101, 205, 353, 451, 505, 1111, 1765, 2255, 3883, 4141, 5555, 14473, 19415, 20705, 35653, 45551, 72365, 159203, 178265, 227755, 392183, 796015, 1461773, 1960915, 7308865, 16079503, 80397515]

約数ペア:

[(1, 80397515), (5, 16079503), (11, 7308865), (41, 1960915), (55, 1461773), (101, 796015), (205, 392183), (353, 227755), (451, 178265), (505, 159203), (1111, 72365), (1765, 45551), (2255, 35653), (3883, 20705), (4141, 19415), (5555, 14473)]