87264940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623321}}^1$

素因数の和:623337

約数の個数: 24

約数和(自身を含む): 209436192

約数和(自身を除く): 122171252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623321, 1246642, 2493284, 3116605, 4363247, 6233210, 8726494, 12466420, 17452988, 21816235, 43632470, 87264940]

約数ペア:

[(1, 87264940), (2, 43632470), (4, 21816235), (5, 17452988), (7, 12466420), (10, 8726494), (14, 6233210), (20, 4363247), (28, 3116605), (35, 2493284), (70, 1246642), (140, 623321)]