848665640

素因数分解:

$2^3\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{7219}}^1$

素因数の和:10169

約数の個数: 32

約数和(自身を含む): 1910412000

約数和(自身を除く): 1061746360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2939, 5878, 7219, 11756, 14438, 14695, 23512, 28876, 29390, 36095, 57752, 58780, 72190, 117560, 144380, 288760, 21216641, 42433282, 84866564, 106083205, 169733128, 212166410, 424332820, 848665640]

約数ペア:

[(1, 848665640), (2, 424332820), (4, 212166410), (5, 169733128), (8, 106083205), (10, 84866564), (20, 42433282), (40, 21216641), (2939, 288760), (5878, 144380), (7219, 117560), (11756, 72190), (14438, 58780), (14695, 57752), (23512, 36095), (28876, 29390)]