90151220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{104827}}^1$

素因数の和:104879

約数の個数: 24

約数和(自身を含む): 193722144

約数和(自身を除く): 103570924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 104827, 209654, 419308, 524135, 1048270, 2096540, 4507561, 9015122, 18030244, 22537805, 45075610, 90151220]

約数ペア:

[(1, 90151220), (2, 45075610), (4, 22537805), (5, 18030244), (10, 9015122), (20, 4507561), (43, 2096540), (86, 1048270), (172, 524135), (215, 419308), (430, 209654), (860, 104827)]