28420850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{13219}}^1$

素因数の和:13274

約数の個数: 24

約数和(自身を含む): 54096240

約数和(自身を除く): 25675390

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 13219, 26438, 66095, 132190, 330475, 568417, 660950, 1136834, 2842085, 5684170, 14210425, 28420850]

約数ペア:

[(1, 28420850), (2, 14210425), (5, 5684170), (10, 2842085), (25, 1136834), (43, 660950), (50, 568417), (86, 330475), (215, 132190), (430, 66095), (1075, 26438), (2150, 13219)]