28277440

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 68104512

約数和(自身を除く): 39827072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 911, 970, 1552, 1822, 1940, 3104, 3644, 3880, 4555, 6208, 7288, 7760, 9110, 14576, 15520, 18220, 29152, 31040, 36440, 58304, 72880, 88367, 145760, 176734, 291520, 353468, 441835, 706936, 883670, 1413872, 1767340, 2827744, 3534680, 5655488, 7069360, 14138720, 28277440]

約数ペア:

[(1, 28277440), (2, 14138720), (4, 7069360), (5, 5655488), (8, 3534680), (10, 2827744), (16, 1767340), (20, 1413872), (32, 883670), (40, 706936), (64, 441835), (80, 353468), (97, 291520), (160, 176734), (194, 145760), (320, 88367), (388, 72880), (485, 58304), (776, 36440), (911, 31040), (970, 29152), (1552, 18220), (1822, 15520), (1940, 14576), (3104, 9110), (3644, 7760), (3880, 7288), (4555, 6208)]