89468020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{28493}}^1$

素因数の和:28659

約数の個数: 24

約数和(自身を含む): 189086184

約数和(自身を除く): 99618164

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 28493, 56986, 113972, 142465, 284930, 569860, 4473401, 8946802, 17893604, 22367005, 44734010, 89468020]

約数ペア:

[(1, 89468020), (2, 44734010), (4, 22367005), (5, 17893604), (10, 8946802), (20, 4473401), (157, 569860), (314, 284930), (628, 142465), (785, 113972), (1570, 56986), (3140, 28493)]