4944440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 11288160

約数和(自身を除く): 6343720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1741, 2840, 3482, 6964, 8705, 13928, 17410, 34820, 69640, 123611, 247222, 494444, 618055, 988888, 1236110, 2472220, 4944440]

約数ペア:

[(1, 4944440), (2, 2472220), (4, 1236110), (5, 988888), (8, 618055), (10, 494444), (20, 247222), (40, 123611), (71, 69640), (142, 34820), (284, 17410), (355, 13928), (568, 8705), (710, 6964), (1420, 3482), (1741, 2840)]