848991680

素因数分解:

$2^6\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4139}}^1$

素因数の和:4797

約数の個数: 56

約数和(自身を含む): 2025304560

約数和(自身を除く): 1176312880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 641, 1282, 2564, 3205, 4139, 5128, 6410, 8278, 10256, 12820, 16556, 20512, 20695, 25640, 33112, 41024, 41390, 51280, 66224, 82780, 102560, 132448, 165560, 205120, 264896, 331120, 662240, 1324480, 2653099, 5306198, 10612396, 13265495, 21224792, 26530990, 42449584, 53061980, 84899168, 106123960, 169798336, 212247920, 424495840, 848991680]

約数ペア:

[(1, 848991680), (2, 424495840), (4, 212247920), (5, 169798336), (8, 106123960), (10, 84899168), (16, 53061980), (20, 42449584), (32, 26530990), (40, 21224792), (64, 13265495), (80, 10612396), (160, 5306198), (320, 2653099), (641, 1324480), (1282, 662240), (2564, 331120), (3205, 264896), (4139, 205120), (5128, 165560), (6410, 132448), (8278, 102560), (10256, 82780), (12820, 66224), (16556, 51280), (20512, 41390), (20695, 41024), (25640, 33112)]