28712380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13417}}^1$

素因数の和:13533

約数の個数: 24

約数和(自身を含む): 60864048

約数和(自身を除く): 32151668

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13417, 26834, 53668, 67085, 134170, 268340, 1435619, 2871238, 5742476, 7178095, 14356190, 28712380]

約数ペア:

[(1, 28712380), (2, 14356190), (4, 7178095), (5, 5742476), (10, 2871238), (20, 1435619), (107, 268340), (214, 134170), (428, 67085), (535, 53668), (1070, 26834), (2140, 13417)]