28124020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8627}}^1$

素因数の和:8799

約数の個数: 24

約数和(自身を含む): 59429664

約数和(自身を除く): 31305644

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8627, 17254, 34508, 43135, 86270, 172540, 1406201, 2812402, 5624804, 7031005, 14062010, 28124020]

約数ペア:

[(1, 28124020), (2, 14062010), (4, 7031005), (5, 5624804), (10, 2812402), (20, 1406201), (163, 172540), (326, 86270), (652, 43135), (815, 34508), (1630, 17254), (3260, 8627)]