2045725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 2848032

約数和(自身を除く): 802307

約数列:

[1, 5, 11, 25, 43, 55, 173, 215, 275, 473, 865, 1075, 1903, 2365, 4325, 7439, 9515, 11825, 37195, 47575, 81829, 185975, 409145, 2045725]

約数ペア:

[(1, 2045725), (5, 409145), (11, 185975), (25, 81829), (43, 47575), (55, 37195), (173, 11825), (215, 9515), (275, 7439), (473, 4325), (865, 2365), (1075, 1903)]