68991040

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1291}}^1$

素因数の和:1475

約数の個数: 56

約数和(自身を含む): 165396672

約数和(自身を除く): 96405632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 668, 835, 1291, 1336, 1670, 2582, 2672, 3340, 5164, 5344, 6455, 6680, 10328, 10688, 12910, 13360, 20656, 25820, 26720, 41312, 51640, 53440, 82624, 103280, 206560, 215597, 413120, 431194, 862388, 1077985, 1724776, 2155970, 3449552, 4311940, 6899104, 8623880, 13798208, 17247760, 34495520, 68991040]

約数ペア:

[(1, 68991040), (2, 34495520), (4, 17247760), (5, 13798208), (8, 8623880), (10, 6899104), (16, 4311940), (20, 3449552), (32, 2155970), (40, 1724776), (64, 1077985), (80, 862388), (160, 431194), (167, 413120), (320, 215597), (334, 206560), (668, 103280), (835, 82624), (1291, 53440), (1336, 51640), (1670, 41312), (2582, 26720), (2672, 25820), (3340, 20656), (5164, 13360), (5344, 12910), (6455, 10688), (6680, 10328)]