2061440

素因数分解:

$2^7\times 5^1\times {\mathrm{3221}}^1$

素因数の和:3240

約数の個数: 32

約数和(自身を含む): 4929660

約数和(自身を除く): 2868220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3221, 6442, 12884, 16105, 25768, 32210, 51536, 64420, 103072, 128840, 206144, 257680, 412288, 515360, 1030720, 2061440]

約数ペア:

[(1, 2061440), (2, 1030720), (4, 515360), (5, 412288), (8, 257680), (10, 206144), (16, 128840), (20, 103072), (32, 64420), (40, 51536), (64, 32210), (80, 25768), (128, 16105), (160, 12884), (320, 6442), (640, 3221)]