80542736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1069}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 165982680

約数和(自身を除く): 85439944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 277, 554, 1069, 1108, 2138, 2216, 4276, 4432, 4709, 8552, 9418, 17104, 18173, 18836, 36346, 37672, 72692, 75344, 145384, 290768, 296113, 592226, 1184452, 2368904, 4737808, 5033921, 10067842, 20135684, 40271368, 80542736]

約数ペア:

[(1, 80542736), (2, 40271368), (4, 20135684), (8, 10067842), (16, 5033921), (17, 4737808), (34, 2368904), (68, 1184452), (136, 592226), (272, 296113), (277, 290768), (554, 145384), (1069, 75344), (1108, 72692), (2138, 37672), (2216, 36346), (4276, 18836), (4432, 18173), (4709, 17104), (8552, 9418)]