86428240

素因数分解:

$2^4\times 5^1\times {\mathrm{1080353}}^1$

素因数の和:1080366

約数の個数: 20

約数和(自身を含む): 200945844

約数和(自身を除く): 114517604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1080353, 2160706, 4321412, 5401765, 8642824, 10803530, 17285648, 21607060, 43214120, 86428240]

約数ペア:

[(1, 86428240), (2, 43214120), (4, 21607060), (5, 17285648), (8, 10803530), (10, 8642824), (16, 5401765), (20, 4321412), (40, 2160706), (80, 1080353)]