90465520

素因数分解:

$2^4\times 5^1\times {\mathrm{1130819}}^1$

素因数の和:1130832

約数の個数: 20

約数和(自身を含む): 210332520

約数和(自身を除く): 119867000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130819, 2261638, 4523276, 5654095, 9046552, 11308190, 18093104, 22616380, 45232760, 90465520]

約数ペア:

[(1, 90465520), (2, 45232760), (4, 22616380), (5, 18093104), (8, 11308190), (10, 9046552), (16, 5654095), (20, 4523276), (40, 2261638), (80, 1130819)]