68494640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2753}}^1$

素因数の和:3077

約数の個数: 40

約数和(自身を含む): 159820128

約数和(自身を除く): 91325488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 2753, 3110, 4976, 5506, 6220, 11012, 12440, 13765, 22024, 24880, 27530, 44048, 55060, 110120, 220240, 856183, 1712366, 3424732, 4280915, 6849464, 8561830, 13698928, 17123660, 34247320, 68494640]

約数ペア:

[(1, 68494640), (2, 34247320), (4, 17123660), (5, 13698928), (8, 8561830), (10, 6849464), (16, 4280915), (20, 3424732), (40, 1712366), (80, 856183), (311, 220240), (622, 110120), (1244, 55060), (1555, 44048), (2488, 27530), (2753, 24880), (3110, 22024), (4976, 13765), (5506, 12440), (6220, 11012)]