51203720

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1453}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 115418520

約数和(自身を除く): 64214800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1453, 1762, 2906, 3524, 4405, 5812, 7048, 7265, 8810, 11624, 14530, 17620, 29060, 35240, 58120, 1280093, 2560186, 5120372, 6400465, 10240744, 12800930, 25601860, 51203720]

約数ペア:

[(1, 51203720), (2, 25601860), (4, 12800930), (5, 10240744), (8, 6400465), (10, 5120372), (20, 2560186), (40, 1280093), (881, 58120), (1453, 35240), (1762, 29060), (2906, 17620), (3524, 14530), (4405, 11624), (5812, 8810), (7048, 7265)]