171771280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27179}}^1$

素因数の和:27271

約数の個数: 40

約数和(自身を含む): 404438400

約数和(自身を除く): 232667120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 27179, 54358, 108716, 135895, 217432, 271790, 434864, 543580, 1087160, 2147141, 2174320, 4294282, 8588564, 10735705, 17177128, 21471410, 34354256, 42942820, 85885640, 171771280]

約数ペア:

[(1, 171771280), (2, 85885640), (4, 42942820), (5, 34354256), (8, 21471410), (10, 17177128), (16, 10735705), (20, 8588564), (40, 4294282), (79, 2174320), (80, 2147141), (158, 1087160), (316, 543580), (395, 434864), (632, 271790), (790, 217432), (1264, 135895), (1580, 108716), (3160, 54358), (6320, 27179)]