711680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{139}}^1$

素因数の和:164

約数の個数: 44

約数和(自身を含む): 1719480

約数和(自身を除く): 1007800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 512, 556, 640, 695, 1024, 1112, 1280, 1390, 2224, 2560, 2780, 4448, 5120, 5560, 8896, 11120, 17792, 22240, 35584, 44480, 71168, 88960, 142336, 177920, 355840, 711680]

約数ペア:

[(1, 711680), (2, 355840), (4, 177920), (5, 142336), (8, 88960), (10, 71168), (16, 44480), (20, 35584), (32, 22240), (40, 17792), (64, 11120), (80, 8896), (128, 5560), (139, 5120), (160, 4448), (256, 2780), (278, 2560), (320, 2224), (512, 1390), (556, 1280), (640, 1112), (695, 1024)]