39811808

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{28933}}^1$

素因数の和:28986

約数の個数: 24

約数和(自身を含む): 80205048

約数和(自身を除く): 40393240

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 28933, 57866, 115732, 231464, 462928, 925856, 1244119, 2488238, 4976476, 9952952, 19905904, 39811808]

約数ペア:

[(1, 39811808), (2, 19905904), (4, 9952952), (8, 4976476), (16, 2488238), (32, 1244119), (43, 925856), (86, 462928), (172, 231464), (344, 115732), (688, 57866), (1376, 28933)]