2169920

素因数分解:

$2^6\times 5^1\times {\mathrm{6781}}^1$

素因数の和:6798

約数の個数: 28

約数和(自身を含む): 5167884

約数和(自身を除く): 2997964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6781, 13562, 27124, 33905, 54248, 67810, 108496, 135620, 216992, 271240, 433984, 542480, 1084960, 2169920]

約数ペア:

[(1, 2169920), (2, 1084960), (4, 542480), (5, 433984), (8, 271240), (10, 216992), (16, 135620), (20, 108496), (32, 67810), (40, 54248), (64, 33905), (80, 27124), (160, 13562), (320, 6781)]