78825020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 170784768

約数和(自身を除く): 91959748

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 215, 302, 430, 604, 607, 755, 860, 1214, 1510, 2428, 3020, 3035, 6070, 6493, 12140, 12986, 25972, 26101, 32465, 52202, 64930, 91657, 104404, 129860, 130505, 183314, 261010, 366628, 458285, 522020, 916570, 1833140, 3941251, 7882502, 15765004, 19706255, 39412510, 78825020]

約数ペア:

[(1, 78825020), (2, 39412510), (4, 19706255), (5, 15765004), (10, 7882502), (20, 3941251), (43, 1833140), (86, 916570), (151, 522020), (172, 458285), (215, 366628), (302, 261010), (430, 183314), (604, 130505), (607, 129860), (755, 104404), (860, 91657), (1214, 64930), (1510, 52202), (2428, 32465), (3020, 26101), (3035, 25972), (6070, 12986), (6493, 12140)]