40389728

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 82328400

約数和(自身を除く): 41938672

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 149, 172, 197, 298, 344, 394, 596, 688, 788, 1192, 1376, 1576, 2384, 3152, 4768, 6304, 6407, 8471, 12814, 16942, 25628, 29353, 33884, 51256, 58706, 67768, 102512, 117412, 135536, 205024, 234824, 271072, 469648, 939296, 1262179, 2524358, 5048716, 10097432, 20194864, 40389728]

約数ペア:

[(1, 40389728), (2, 20194864), (4, 10097432), (8, 5048716), (16, 2524358), (32, 1262179), (43, 939296), (86, 469648), (149, 271072), (172, 234824), (197, 205024), (298, 135536), (344, 117412), (394, 102512), (596, 67768), (688, 58706), (788, 51256), (1192, 33884), (1376, 29353), (1576, 25628), (2384, 16942), (3152, 12814), (4768, 8471), (6304, 6407)]