22039840

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 30456800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 991, 1112, 1390, 1982, 2224, 2780, 3964, 4448, 4955, 5560, 7928, 9910, 11120, 15856, 19820, 22240, 31712, 39640, 79280, 137749, 158560, 275498, 550996, 688745, 1101992, 1377490, 2203984, 2754980, 4407968, 5509960, 11019920, 22039840]

約数ペア:

[(1, 22039840), (2, 11019920), (4, 5509960), (5, 4407968), (8, 2754980), (10, 2203984), (16, 1377490), (20, 1101992), (32, 688745), (40, 550996), (80, 275498), (139, 158560), (160, 137749), (278, 79280), (556, 39640), (695, 31712), (991, 22240), (1112, 19820), (1390, 15856), (1982, 11120), (2224, 9910), (2780, 7928), (3964, 5560), (4448, 4955)]