8420185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 11508480

約数和(自身を除く): 3088295

約数列:

[1, 5, 17, 23, 59, 73, 85, 115, 295, 365, 391, 1003, 1241, 1357, 1679, 1955, 4307, 5015, 6205, 6785, 8395, 21535, 23069, 28543, 73219, 99061, 115345, 142715, 366095, 495305, 1684037, 8420185]

約数ペア:

[(1, 8420185), (5, 1684037), (17, 495305), (23, 366095), (59, 142715), (73, 115345), (85, 99061), (115, 73219), (295, 28543), (365, 23069), (391, 21535), (1003, 8395), (1241, 6785), (1357, 6205), (1679, 5015), (1955, 4307)]