79723880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117241}}^1$

素因数の和:117269

約数の個数: 32

約数和(自身を含む): 189932040

約数和(自身を除く): 110208160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 117241, 234482, 468964, 586205, 937928, 1172410, 1993097, 2344820, 3986194, 4689640, 7972388, 9965485, 15944776, 19930970, 39861940, 79723880]

約数ペア:

[(1, 79723880), (2, 39861940), (4, 19930970), (5, 15944776), (8, 9965485), (10, 7972388), (17, 4689640), (20, 3986194), (34, 2344820), (40, 1993097), (68, 1172410), (85, 937928), (136, 586205), (170, 468964), (340, 234482), (680, 117241)]