26721232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{38839}}^1$

素因数の和:38890

約数の個数: 20

約数和(自身を含む): 52977760

約数和(自身を除く): 26256528

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 38839, 77678, 155356, 310712, 621424, 1670077, 3340154, 6680308, 13360616, 26721232]

約数ペア:

[(1, 26721232), (2, 13360616), (4, 6680308), (8, 3340154), (16, 1670077), (43, 621424), (86, 310712), (172, 155356), (344, 77678), (688, 38839)]