171239680

素因数分解:

$2^8\times 5^1\times {\mathrm{133781}}^1$

素因数の和:133802

約数の個数: 36

約数和(自身を含む): 410175612

約数和(自身を除く): 238935932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 133781, 267562, 535124, 668905, 1070248, 1337810, 2140496, 2675620, 4280992, 5351240, 8561984, 10702480, 17123968, 21404960, 34247936, 42809920, 85619840, 171239680]

約数ペア:

[(1, 171239680), (2, 85619840), (4, 42809920), (5, 34247936), (8, 21404960), (10, 17123968), (16, 10702480), (20, 8561984), (32, 5351240), (40, 4280992), (64, 2675620), (80, 2140496), (128, 1337810), (160, 1070248), (256, 668905), (320, 535124), (640, 267562), (1280, 133781)]