40547968

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 84823200

約数和(自身を除く): 44275232

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 128, 139, 172, 212, 278, 344, 424, 556, 688, 848, 1112, 1376, 1696, 2224, 2279, 2752, 3392, 4448, 4558, 5504, 5977, 6784, 7367, 8896, 9116, 11954, 14734, 17792, 18232, 23908, 29468, 36464, 47816, 58936, 72928, 95632, 117872, 145856, 191264, 235744, 291712, 316781, 382528, 471488, 633562, 765056, 942976, 1267124, 2534248, 5068496, 10136992, 20273984, 40547968]

約数ペア:

[(1, 40547968), (2, 20273984), (4, 10136992), (8, 5068496), (16, 2534248), (32, 1267124), (43, 942976), (53, 765056), (64, 633562), (86, 471488), (106, 382528), (128, 316781), (139, 291712), (172, 235744), (212, 191264), (278, 145856), (344, 117872), (424, 95632), (556, 72928), (688, 58936), (848, 47816), (1112, 36464), (1376, 29468), (1696, 23908), (2224, 18232), (2279, 17792), (2752, 14734), (3392, 11954), (4448, 9116), (4558, 8896), (5504, 7367), (5977, 6784)]