28426220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9539}}^1$

素因数の和:9697

約数の個数: 24

約数和(自身を含む): 60102000

約数和(自身を除く): 31675780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9539, 19078, 38156, 47695, 95390, 190780, 1421311, 2842622, 5685244, 7106555, 14213110, 28426220]

約数ペア:

[(1, 28426220), (2, 14213110), (4, 7106555), (5, 5685244), (10, 2842622), (20, 1421311), (149, 190780), (298, 95390), (596, 47695), (745, 38156), (1490, 19078), (2980, 9539)]