56451680

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{907}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 133857360

約数和(自身を除く): 77405680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 907, 1556, 1814, 1945, 3112, 3628, 3890, 4535, 6224, 7256, 7780, 9070, 12448, 14512, 15560, 18140, 29024, 31120, 36280, 62240, 72560, 145120, 352823, 705646, 1411292, 1764115, 2822584, 3528230, 5645168, 7056460, 11290336, 14112920, 28225840, 56451680]

約数ペア:

[(1, 56451680), (2, 28225840), (4, 14112920), (5, 11290336), (8, 7056460), (10, 5645168), (16, 3528230), (20, 2822584), (32, 1764115), (40, 1411292), (80, 705646), (160, 352823), (389, 145120), (778, 72560), (907, 62240), (1556, 36280), (1814, 31120), (1945, 29024), (3112, 18140), (3628, 15560), (3890, 14512), (4535, 12448), (6224, 9070), (7256, 7780)]