71426560

素因数分解:

$2^9\times 5^1\times {\mathrm{27901}}^1$

素因数の和:27924

約数の個数: 40

約数和(自身を含む): 171262476

約数和(自身を除く): 99835916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27901, 55802, 111604, 139505, 223208, 279010, 446416, 558020, 892832, 1116040, 1785664, 2232080, 3571328, 4464160, 7142656, 8928320, 14285312, 17856640, 35713280, 71426560]

約数ペア:

[(1, 71426560), (2, 35713280), (4, 17856640), (5, 14285312), (8, 8928320), (10, 7142656), (16, 4464160), (20, 3571328), (32, 2232080), (40, 1785664), (64, 1116040), (80, 892832), (128, 558020), (160, 446416), (256, 279010), (320, 223208), (512, 139505), (640, 111604), (1280, 55802), (2560, 27901)]