2457880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 5662800

約数和(自身を除く): 3204920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1429, 1720, 2858, 5716, 7145, 11432, 14290, 28580, 57160, 61447, 122894, 245788, 307235, 491576, 614470, 1228940, 2457880]

約数ペア:

[(1, 2457880), (2, 1228940), (4, 614470), (5, 491576), (8, 307235), (10, 245788), (20, 122894), (40, 61447), (43, 57160), (86, 28580), (172, 14290), (215, 11432), (344, 7145), (430, 5716), (860, 2858), (1429, 1720)]