28911040

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:725

約数の個数: 56

約数和(自身を含む): 69384672

約数和(自身を除く): 40473632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 541, 668, 835, 1082, 1336, 1670, 2164, 2672, 2705, 3340, 4328, 5344, 5410, 6680, 8656, 10688, 10820, 13360, 17312, 21640, 26720, 34624, 43280, 53440, 86560, 90347, 173120, 180694, 361388, 451735, 722776, 903470, 1445552, 1806940, 2891104, 3613880, 5782208, 7227760, 14455520, 28911040]

約数ペア:

[(1, 28911040), (2, 14455520), (4, 7227760), (5, 5782208), (8, 3613880), (10, 2891104), (16, 1806940), (20, 1445552), (32, 903470), (40, 722776), (64, 451735), (80, 361388), (160, 180694), (167, 173120), (320, 90347), (334, 86560), (541, 53440), (668, 43280), (835, 34624), (1082, 26720), (1336, 21640), (1670, 17312), (2164, 13360), (2672, 10820), (2705, 10688), (3340, 8656), (4328, 6680), (5344, 5410)]