17459840

素因数分解:

$2^7\times 5^1\times {\mathrm{27281}}^1$

素因数の和:27300

約数の個数: 32

約数和(自身を含む): 41741460

約数和(自身を除く): 24281620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 27281, 54562, 109124, 136405, 218248, 272810, 436496, 545620, 872992, 1091240, 1745984, 2182480, 3491968, 4364960, 8729920, 17459840]

約数ペア:

[(1, 17459840), (2, 8729920), (4, 4364960), (5, 3491968), (8, 2182480), (10, 1745984), (16, 1091240), (20, 872992), (32, 545620), (40, 436496), (64, 272810), (80, 218248), (128, 136405), (160, 109124), (320, 54562), (640, 27281)]