40636928

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:728

約数の個数: 40

約数和(自身を含む): 81921840

約数和(自身を除く): 41284912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 571, 1112, 1142, 2224, 2284, 4448, 4568, 8896, 9136, 17792, 18272, 35584, 36544, 71168, 73088, 79369, 146176, 158738, 292352, 317476, 634952, 1269904, 2539808, 5079616, 10159232, 20318464, 40636928]

約数ペア:

[(1, 40636928), (2, 20318464), (4, 10159232), (8, 5079616), (16, 2539808), (32, 1269904), (64, 634952), (128, 317476), (139, 292352), (256, 158738), (278, 146176), (512, 79369), (556, 73088), (571, 71168), (1112, 36544), (1142, 35584), (2224, 18272), (2284, 17792), (4448, 9136), (4568, 8896)]