28724840

素因数分解:

$2^3\times 5^1\times {\mathrm{718121}}^1$

素因数の和:718132

約数の個数: 16

約数和(自身を含む): 64630980

約数和(自身を除く): 35906140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 718121, 1436242, 2872484, 3590605, 5744968, 7181210, 14362420, 28724840]

約数ペア:

[(1, 28724840), (2, 14362420), (4, 7181210), (5, 5744968), (8, 3590605), (10, 2872484), (20, 1436242), (40, 718121)]