89141420

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{4019}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 187412400

約数和(自身を除く): 98270980

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4019, 4436, 5545, 8038, 11090, 16076, 20095, 22180, 40190, 80380, 4457071, 8914142, 17828284, 22285355, 44570710, 89141420]

約数ペア:

[(1, 89141420), (2, 44570710), (4, 22285355), (5, 17828284), (10, 8914142), (20, 4457071), (1109, 80380), (2218, 40190), (4019, 22180), (4436, 20095), (5545, 16076), (8038, 11090)]