86540120

素因数分解:

$2^3\times 5^1\times {\mathrm{2163503}}^1$

素因数の和:2163514

約数の個数: 16

約数和(自身を含む): 194715360

約数和(自身を除く): 108175240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2163503, 4327006, 8654012, 10817515, 17308024, 21635030, 43270060, 86540120]

約数ペア:

[(1, 86540120), (2, 43270060), (4, 21635030), (5, 17308024), (8, 10817515), (10, 8654012), (20, 4327006), (40, 2163503)]