25335808

素因数分解:

$2^{11}\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 51597000

約数和(自身を除く): 26261192

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 139, 178, 256, 278, 356, 512, 556, 712, 1024, 1112, 1424, 2048, 2224, 2848, 4448, 5696, 8896, 11392, 12371, 17792, 22784, 24742, 35584, 45568, 49484, 71168, 91136, 98968, 142336, 182272, 197936, 284672, 395872, 791744, 1583488, 3166976, 6333952, 12667904, 25335808]

約数ペア:

[(1, 25335808), (2, 12667904), (4, 6333952), (8, 3166976), (16, 1583488), (32, 791744), (64, 395872), (89, 284672), (128, 197936), (139, 182272), (178, 142336), (256, 98968), (278, 91136), (356, 71168), (512, 49484), (556, 45568), (712, 35584), (1024, 24742), (1112, 22784), (1424, 17792), (2048, 12371), (2224, 11392), (2848, 8896), (4448, 5696)]