86809720

素因数分解:

$2^3\times 5^1\times {\mathrm{2170243}}^1$

素因数の和:2170254

約数の個数: 16

約数和(自身を含む): 195321960

約数和(自身を除く): 108512240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2170243, 4340486, 8680972, 10851215, 17361944, 21702430, 43404860, 86809720]

約数ペア:

[(1, 86809720), (2, 43404860), (4, 21702430), (5, 17361944), (8, 10851215), (10, 8680972), (20, 4340486), (40, 2170243)]