25755440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3319}}^1$

素因数の和:3429

約数の個数: 40

約数和(自身を含む): 60516960

約数和(自身を除く): 34761520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3319, 3880, 6638, 7760, 13276, 16595, 26552, 33190, 53104, 66380, 132760, 265520, 321943, 643886, 1287772, 1609715, 2575544, 3219430, 5151088, 6438860, 12877720, 25755440]

約数ペア:

[(1, 25755440), (2, 12877720), (4, 6438860), (5, 5151088), (8, 3219430), (10, 2575544), (16, 1609715), (20, 1287772), (40, 643886), (80, 321943), (97, 265520), (194, 132760), (388, 66380), (485, 53104), (776, 33190), (970, 26552), (1552, 16595), (1940, 13276), (3319, 7760), (3880, 6638)]