25978340

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4231}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 54745152

約数和(自身を除く): 28766812

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4231, 6140, 8462, 16924, 21155, 42310, 84620, 1298917, 2597834, 5195668, 6494585, 12989170, 25978340]

約数ペア:

[(1, 25978340), (2, 12989170), (4, 6494585), (5, 5195668), (10, 2597834), (20, 1298917), (307, 84620), (614, 42310), (1228, 21155), (1535, 16924), (3070, 8462), (4231, 6140)]