16728186880

素因数分解:

$2^{13}\times 5^1\times {\mathrm{408403}}^1$

素因数の和:408434

約数の個数: 56

約数和(自身を含む): 40145296392

約数和(自身を除く): 23417109512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 20480, 40960, 408403, 816806, 1633612, 2042015, 3267224, 4084030, 6534448, 8168060, 13068896, 16336120, 26137792, 32672240, 52275584, 65344480, 104551168, 130688960, 209102336, 261377920, 418204672, 522755840, 836409344, 1045511680, 1672818688, 2091023360, 3345637376, 4182046720, 8364093440, 16728186880]

約数ペア:

[(1, 16728186880), (2, 8364093440), (4, 4182046720), (5, 3345637376), (8, 2091023360), (10, 1672818688), (16, 1045511680), (20, 836409344), (32, 522755840), (40, 418204672), (64, 261377920), (80, 209102336), (128, 130688960), (160, 104551168), (256, 65344480), (320, 52275584), (512, 32672240), (640, 26137792), (1024, 16336120), (1280, 13068896), (2048, 8168060), (2560, 6534448), (4096, 4084030), (5120, 3267224), (8192, 2042015), (10240, 1633612), (20480, 816806), (40960, 408403)]