8039960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 18813600

約数和(自身を除く): 10773640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 239, 290, 478, 580, 841, 956, 1160, 1195, 1682, 1912, 2390, 3364, 4205, 4780, 6728, 6931, 8410, 9560, 13862, 16820, 27724, 33640, 34655, 55448, 69310, 138620, 200999, 277240, 401998, 803996, 1004995, 1607992, 2009990, 4019980, 8039960]

約数ペア:

[(1, 8039960), (2, 4019980), (4, 2009990), (5, 1607992), (8, 1004995), (10, 803996), (20, 401998), (29, 277240), (40, 200999), (58, 138620), (116, 69310), (145, 55448), (232, 34655), (239, 33640), (290, 27724), (478, 16820), (580, 13862), (841, 9560), (956, 8410), (1160, 6931), (1195, 6728), (1682, 4780), (1912, 4205), (2390, 3364)]