68257520

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1867}}^1$

素因数の和:2337

約数の個数: 40

約数和(自身を含む): 159131184

約数和(自身を除く): 90873664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 1867, 2285, 3656, 3734, 4570, 7312, 7468, 9140, 9335, 14936, 18280, 18670, 29872, 36560, 37340, 74680, 149360, 853219, 1706438, 3412876, 4266095, 6825752, 8532190, 13651504, 17064380, 34128760, 68257520]

約数ペア:

[(1, 68257520), (2, 34128760), (4, 17064380), (5, 13651504), (8, 8532190), (10, 6825752), (16, 4266095), (20, 3412876), (40, 1706438), (80, 853219), (457, 149360), (914, 74680), (1828, 37340), (1867, 36560), (2285, 29872), (3656, 18670), (3734, 18280), (4570, 14936), (7312, 9335), (7468, 9140)]