38639975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 53032320

約数和(自身を除く): 14392345

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 1979, 3905, 9895, 19525, 21769, 49475, 108845, 140509, 544225, 702545, 1545599, 3512725, 7727995, 38639975]

約数ペア:

[(1, 38639975), (5, 7727995), (11, 3512725), (25, 1545599), (55, 702545), (71, 544225), (275, 140509), (355, 108845), (781, 49475), (1775, 21769), (1979, 19525), (3905, 9895)]