89412880

素因数分解:

$2^4\times 5^1\times {\mathrm{1117661}}^1$

素因数の和:1117674

約数の個数: 20

約数和(自身を含む): 207885132

約数和(自身を除く): 118472252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117661, 2235322, 4470644, 5588305, 8941288, 11176610, 17882576, 22353220, 44706440, 89412880]

約数ペア:

[(1, 89412880), (2, 44706440), (4, 22353220), (5, 17882576), (8, 11176610), (10, 8941288), (16, 5588305), (20, 4470644), (40, 2235322), (80, 1117661)]