204985160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{76487}}^1$

素因数の和:76565

約数の個数: 32

約数和(自身を含む): 468106560

約数和(自身を除く): 263121400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 76487, 152974, 305948, 382435, 611896, 764870, 1529740, 3059480, 5124629, 10249258, 20498516, 25623145, 40997032, 51246290, 102492580, 204985160]

約数ペア:

[(1, 204985160), (2, 102492580), (4, 51246290), (5, 40997032), (8, 25623145), (10, 20498516), (20, 10249258), (40, 5124629), (67, 3059480), (134, 1529740), (268, 764870), (335, 611896), (536, 382435), (670, 305948), (1340, 152974), (2680, 76487)]