6648440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 15176160

約数和(自身を除く): 8527720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2341, 2840, 4682, 9364, 11705, 18728, 23410, 46820, 93640, 166211, 332422, 664844, 831055, 1329688, 1662110, 3324220, 6648440]

約数ペア:

[(1, 6648440), (2, 3324220), (4, 1662110), (5, 1329688), (8, 831055), (10, 664844), (20, 332422), (40, 166211), (71, 93640), (142, 46820), (284, 23410), (355, 18728), (568, 11705), (710, 9364), (1420, 4682), (2341, 2840)]