28373180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128969}}^1$

素因数の和:128989

約数の個数: 24

約数和(自身を含む): 65000880

約数和(自身を除く): 36627700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128969, 257938, 515876, 644845, 1289690, 1418659, 2579380, 2837318, 5674636, 7093295, 14186590, 28373180]

約数ペア:

[(1, 28373180), (2, 14186590), (4, 7093295), (5, 5674636), (10, 2837318), (11, 2579380), (20, 1418659), (22, 1289690), (44, 644845), (55, 515876), (110, 257938), (220, 128969)]