279816560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27541}}^1$

素因数の和:27681

約数の個数: 40

約数和(自身を含む): 655719936

約数和(自身を除く): 375903376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 27541, 55082, 110164, 137705, 220328, 275410, 440656, 550820, 1101640, 2203280, 3497707, 6995414, 13990828, 17488535, 27981656, 34977070, 55963312, 69954140, 139908280, 279816560]

約数ペア:

[(1, 279816560), (2, 139908280), (4, 69954140), (5, 55963312), (8, 34977070), (10, 27981656), (16, 17488535), (20, 13990828), (40, 6995414), (80, 3497707), (127, 2203280), (254, 1101640), (508, 550820), (635, 440656), (1016, 275410), (1270, 220328), (2032, 137705), (2540, 110164), (5080, 55082), (10160, 27541)]