28437920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25391}}^1$

素因数の和:25413

約数の個数: 48

約数和(自身を含む): 76785408

約数和(自身を除く): 48347488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25391, 50782, 101564, 126955, 177737, 203128, 253910, 355474, 406256, 507820, 710948, 812512, 888685, 1015640, 1421896, 1777370, 2031280, 2843792, 3554740, 4062560, 5687584, 7109480, 14218960, 28437920]

約数ペア:

[(1, 28437920), (2, 14218960), (4, 7109480), (5, 5687584), (7, 4062560), (8, 3554740), (10, 2843792), (14, 2031280), (16, 1777370), (20, 1421896), (28, 1015640), (32, 888685), (35, 812512), (40, 710948), (56, 507820), (70, 406256), (80, 355474), (112, 253910), (140, 203128), (160, 177737), (224, 126955), (280, 101564), (560, 50782), (1120, 25391)]