89490140

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2339}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 188107920

約数和(自身を除く): 98617780

約数列:

[1, 2, 4, 5, 10, 20, 1913, 2339, 3826, 4678, 7652, 9356, 9565, 11695, 19130, 23390, 38260, 46780, 4474507, 8949014, 17898028, 22372535, 44745070, 89490140]

約数ペア:

[(1, 89490140), (2, 44745070), (4, 22372535), (5, 17898028), (10, 8949014), (20, 4474507), (1913, 46780), (2339, 38260), (3826, 23390), (4678, 19130), (7652, 11695), (9356, 9565)]