5065880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 11534400

約数和(自身を除く): 6468520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1423, 1780, 2846, 3560, 5692, 7115, 11384, 14230, 28460, 56920, 126647, 253294, 506588, 633235, 1013176, 1266470, 2532940, 5065880]

約数ペア:

[(1, 5065880), (2, 2532940), (4, 1266470), (5, 1013176), (8, 633235), (10, 506588), (20, 253294), (40, 126647), (89, 56920), (178, 28460), (356, 14230), (445, 11384), (712, 7115), (890, 5692), (1423, 3560), (1780, 2846)]