28731140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{62459}}^1$

素因数の和:62491

約数の個数: 24

約数和(自身を含む): 62959680

約数和(自身を除く): 34228540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 62459, 124918, 249836, 312295, 624590, 1249180, 1436557, 2873114, 5746228, 7182785, 14365570, 28731140]

約数ペア:

[(1, 28731140), (2, 14365570), (4, 7182785), (5, 5746228), (10, 2873114), (20, 1436557), (23, 1249180), (46, 624590), (92, 312295), (115, 249836), (230, 124918), (460, 62459)]