86808520

素因数分解:

$2^3\times 5^1\times {\mathrm{2170213}}^1$

素因数の和:2170224

約数の個数: 16

約数和(自身を含む): 195319260

約数和(自身を除く): 108510740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2170213, 4340426, 8680852, 10851065, 17361704, 21702130, 43404260, 86808520]

約数ペア:

[(1, 86808520), (2, 43404260), (4, 21702130), (5, 17361704), (8, 10851065), (10, 8680852), (20, 4340426), (40, 2170213)]