1298240

素因数分解:

$2^6\times 5^1\times {\mathrm{4057}}^1$

素因数の和:4074

約数の個数: 28

約数和(自身を含む): 3092196

約数和(自身を除く): 1793956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4057, 8114, 16228, 20285, 32456, 40570, 64912, 81140, 129824, 162280, 259648, 324560, 649120, 1298240]

約数ペア:

[(1, 1298240), (2, 649120), (4, 324560), (5, 259648), (8, 162280), (10, 129824), (16, 81140), (20, 64912), (32, 40570), (40, 32456), (64, 20285), (80, 16228), (160, 8114), (320, 4057)]