28372660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83449}}^1$

素因数の和:83475

約数の個数: 24

約数和(自身を含む): 63088200

約数和(自身を除く): 34715540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83449, 166898, 333796, 417245, 834490, 1418633, 1668980, 2837266, 5674532, 7093165, 14186330, 28372660]

約数ペア:

[(1, 28372660), (2, 14186330), (4, 7093165), (5, 5674532), (10, 2837266), (17, 1668980), (20, 1418633), (34, 834490), (68, 417245), (85, 333796), (170, 166898), (340, 83449)]