4945280

素因数分解:

$2^7\times 5^1\times {\mathrm{7727}}^1$

素因数の和:7746

約数の個数: 32

約数和(自身を含む): 11823840

約数和(自身を除く): 6878560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 247264, 309080, 494528, 618160, 989056, 1236320, 2472640, 4945280]

約数ペア:

[(1, 4945280), (2, 2472640), (4, 1236320), (5, 989056), (8, 618160), (10, 494528), (16, 309080), (20, 247264), (32, 154540), (40, 123632), (64, 77270), (80, 61816), (128, 38635), (160, 30908), (320, 15454), (640, 7727)]