9971600

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 60

約数和(自身を含む): 24297924

約数和(自身を除く): 14326324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 257, 388, 400, 485, 514, 776, 970, 1028, 1285, 1552, 1940, 2056, 2425, 2570, 3880, 4112, 4850, 5140, 6425, 7760, 9700, 10280, 12850, 19400, 20560, 24929, 25700, 38800, 49858, 51400, 99716, 102800, 124645, 199432, 249290, 398864, 498580, 623225, 997160, 1246450, 1994320, 2492900, 4985800, 9971600]

約数ペア:

[(1, 9971600), (2, 4985800), (4, 2492900), (5, 1994320), (8, 1246450), (10, 997160), (16, 623225), (20, 498580), (25, 398864), (40, 249290), (50, 199432), (80, 124645), (97, 102800), (100, 99716), (194, 51400), (200, 49858), (257, 38800), (388, 25700), (400, 24929), (485, 20560), (514, 19400), (776, 12850), (970, 10280), (1028, 9700), (1285, 7760), (1552, 6425), (1940, 5140), (2056, 4850), (2425, 4112), (2570, 3880)]