86421680

素因数分解:

$2^4\times 5^1\times {\mathrm{1080271}}^1$

素因数の和:1080284

約数の個数: 20

約数和(自身を含む): 200930592

約数和(自身を除く): 114508912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1080271, 2160542, 4321084, 5401355, 8642168, 10802710, 17284336, 21605420, 43210840, 86421680]

約数ペア:

[(1, 86421680), (2, 43210840), (4, 21605420), (5, 17284336), (8, 10802710), (10, 8642168), (16, 5401355), (20, 4321084), (40, 2160542), (80, 1080271)]