51319960

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1453}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 115680240

約数和(自身を除く): 64360280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1453, 1766, 2906, 3532, 4415, 5812, 7064, 7265, 8830, 11624, 14530, 17660, 29060, 35320, 58120, 1282999, 2565998, 5131996, 6414995, 10263992, 12829990, 25659980, 51319960]

約数ペア:

[(1, 51319960), (2, 25659980), (4, 12829990), (5, 10263992), (8, 6414995), (10, 5131996), (20, 2565998), (40, 1282999), (883, 58120), (1453, 35320), (1766, 29060), (2906, 17660), (3532, 14530), (4415, 11624), (5812, 8830), (7064, 7265)]