28166860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14519}}^1$

素因数の和:14625

約数の個数: 24

約数和(自身を含む): 59764320

約数和(自身を除く): 31597460

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14519, 29038, 58076, 72595, 145190, 290380, 1408343, 2816686, 5633372, 7041715, 14083430, 28166860]

約数ペア:

[(1, 28166860), (2, 14083430), (4, 7041715), (5, 5633372), (10, 2816686), (20, 1408343), (97, 290380), (194, 145190), (388, 72595), (485, 58076), (970, 29038), (1940, 14519)]