66453140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255589}}^1$

素因数の和:255611

約数の個数: 24

約数和(自身を含む): 150286920

約数和(自身を除く): 83833780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 255589, 511178, 1022356, 1277945, 2555890, 3322657, 5111780, 6645314, 13290628, 16613285, 33226570, 66453140]

約数ペア:

[(1, 66453140), (2, 33226570), (4, 16613285), (5, 13290628), (10, 6645314), (13, 5111780), (20, 3322657), (26, 2555890), (52, 1277945), (65, 1022356), (130, 511178), (260, 255589)]