18025840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32189}}^1$

素因数の和:32209

約数の個数: 40

約数和(自身を含む): 47898720

約数和(自身を除く): 29872880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32189, 64378, 128756, 160945, 225323, 257512, 321890, 450646, 515024, 643780, 901292, 1126615, 1287560, 1802584, 2253230, 2575120, 3605168, 4506460, 9012920, 18025840]

約数ペア:

[(1, 18025840), (2, 9012920), (4, 4506460), (5, 3605168), (7, 2575120), (8, 2253230), (10, 1802584), (14, 1287560), (16, 1126615), (20, 901292), (28, 643780), (35, 515024), (40, 450646), (56, 321890), (70, 257512), (80, 225323), (112, 160945), (140, 128756), (280, 64378), (560, 32189)]