12771760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9421

約数の個数: 40

約数和(自身を含む): 31444416

約数和(自身を除く): 18672656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9391, 18782, 37564, 46955, 75128, 93910, 150256, 159647, 187820, 319294, 375640, 638588, 751280, 798235, 1277176, 1596470, 2554352, 3192940, 6385880, 12771760]

約数ペア:

[(1, 12771760), (2, 6385880), (4, 3192940), (5, 2554352), (8, 1596470), (10, 1277176), (16, 798235), (17, 751280), (20, 638588), (34, 375640), (40, 319294), (68, 187820), (80, 159647), (85, 150256), (136, 93910), (170, 75128), (272, 46955), (340, 37564), (680, 18782), (1360, 9391)]