31220480

素因数分解:

$2^8\times 5^1\times {\mathrm{24391}}^1$

素因数の和:24412

約数の個数: 36

約数和(自身を含む): 74785872

約数和(自身を除く): 43565392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24391, 48782, 97564, 121955, 195128, 243910, 390256, 487820, 780512, 975640, 1561024, 1951280, 3122048, 3902560, 6244096, 7805120, 15610240, 31220480]

約数ペア:

[(1, 31220480), (2, 15610240), (4, 7805120), (5, 6244096), (8, 3902560), (10, 3122048), (16, 1951280), (20, 1561024), (32, 975640), (40, 780512), (64, 487820), (80, 390256), (128, 243910), (160, 195128), (256, 121955), (320, 97564), (640, 48782), (1280, 24391)]