68519120

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1951}}^1$

素因数の和:2403

約数の個数: 40

約数和(自身を含む): 159751680

約数和(自身を除く): 91232560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 1951, 2195, 3512, 3902, 4390, 7024, 7804, 8780, 9755, 15608, 17560, 19510, 31216, 35120, 39020, 78040, 156080, 856489, 1712978, 3425956, 4282445, 6851912, 8564890, 13703824, 17129780, 34259560, 68519120]

約数ペア:

[(1, 68519120), (2, 34259560), (4, 17129780), (5, 13703824), (8, 8564890), (10, 6851912), (16, 4282445), (20, 3425956), (40, 1712978), (80, 856489), (439, 156080), (878, 78040), (1756, 39020), (1951, 35120), (2195, 31216), (3512, 19510), (3902, 17560), (4390, 15608), (7024, 9755), (7804, 8780)]