89113280

素因数分解:

$2^6\times 5^1\times {\mathrm{278479}}^1$

素因数の和:278496

約数の個数: 28

約数和(自身を含む): 212201760

約数和(自身を除く): 123088480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 278479, 556958, 1113916, 1392395, 2227832, 2784790, 4455664, 5569580, 8911328, 11139160, 17822656, 22278320, 44556640, 89113280]

約数ペア:

[(1, 89113280), (2, 44556640), (4, 22278320), (5, 17822656), (8, 11139160), (10, 8911328), (16, 5569580), (20, 4455664), (32, 2784790), (40, 2227832), (64, 1392395), (80, 1113916), (160, 556958), (320, 278479)]