39982405

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 50833656

約数和(自身を除く): 10851251

約数列:

[1, 5, 31, 53, 155, 157, 265, 785, 961, 1643, 4805, 4867, 8215, 8321, 24335, 41605, 50933, 150877, 254665, 257951, 754385, 1289755, 7996481, 39982405]

約数ペア:

[(1, 39982405), (5, 7996481), (31, 1289755), (53, 754385), (155, 257951), (157, 254665), (265, 150877), (785, 50933), (961, 41605), (1643, 24335), (4805, 8321), (4867, 8215)]