90648860

素因数分解:

$2^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{3931}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 190576176

約数和(自身を除く): 99927316

約数列:

[1, 2, 4, 5, 10, 20, 1153, 2306, 3931, 4612, 5765, 7862, 11530, 15724, 19655, 23060, 39310, 78620, 4532443, 9064886, 18129772, 22662215, 45324430, 90648860]

約数ペア:

[(1, 90648860), (2, 45324430), (4, 22662215), (5, 18129772), (10, 9064886), (20, 4532443), (1153, 78620), (2306, 39310), (3931, 23060), (4612, 19655), (5765, 15724), (7862, 11530)]