128606480

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16573}}^1$

素因数の和:16683

約数の個数: 40

約数和(自身を含む): 302110872

約数和(自身を除く): 173504392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 16573, 33146, 66292, 82865, 132584, 165730, 265168, 331460, 662920, 1325840, 1607581, 3215162, 6430324, 8037905, 12860648, 16075810, 25721296, 32151620, 64303240, 128606480]

約数ペア:

[(1, 128606480), (2, 64303240), (4, 32151620), (5, 25721296), (8, 16075810), (10, 12860648), (16, 8037905), (20, 6430324), (40, 3215162), (80, 1607581), (97, 1325840), (194, 662920), (388, 331460), (485, 265168), (776, 165730), (970, 132584), (1552, 82865), (1940, 66292), (3880, 33146), (7760, 16573)]