85619840

素因数分解:

$2^7\times 5^1\times {\mathrm{133781}}^1$

素因数の和:133800

約数の個数: 32

約数和(自身を含む): 204686460

約数和(自身を除く): 119066620

約数列:

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

約数ペア:

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