8340989905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1\times {\mathrm{3779}}^1$

素因数の和:4953

約数の個数: 32

約数和(自身を含む): 11071468800

約数和(自身を除く): 2730478895

約数列:

[1, 5, 17, 23, 85, 115, 391, 1129, 1955, 3779, 5645, 18895, 19193, 25967, 64243, 86917, 95965, 129835, 321215, 434585, 441439, 1477589, 2207195, 4266491, 7387945, 21332455, 72530347, 98129293, 362651735, 490646465, 1668197981, 8340989905]

約数ペア:

[(1, 8340989905), (5, 1668197981), (17, 490646465), (23, 362651735), (85, 98129293), (115, 72530347), (391, 21332455), (1129, 7387945), (1955, 4266491), (3779, 2207195), (5645, 1477589), (18895, 441439), (19193, 434585), (25967, 321215), (64243, 129835), (86917, 95965)]