39640576

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:714

約数の個数: 40

約数和(自身を含む): 79916760

約数和(自身を除く): 40276184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 557, 1112, 1114, 2224, 2228, 4448, 4456, 8896, 8912, 17792, 17824, 35584, 35648, 71168, 71296, 77423, 142592, 154846, 285184, 309692, 619384, 1238768, 2477536, 4955072, 9910144, 19820288, 39640576]

約数ペア:

[(1, 39640576), (2, 19820288), (4, 9910144), (8, 4955072), (16, 2477536), (32, 1238768), (64, 619384), (128, 309692), (139, 285184), (256, 154846), (278, 142592), (512, 77423), (556, 71296), (557, 71168), (1112, 35648), (1114, 35584), (2224, 17824), (2228, 17792), (4448, 8912), (4456, 8896)]