5119280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 12052800

約数和(自身を除く): 6933520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 719, 890, 1424, 1438, 1780, 2876, 3560, 3595, 5752, 7120, 7190, 11504, 14380, 28760, 57520, 63991, 127982, 255964, 319955, 511928, 639910, 1023856, 1279820, 2559640, 5119280]

約数ペア:

[(1, 5119280), (2, 2559640), (4, 1279820), (5, 1023856), (8, 639910), (10, 511928), (16, 319955), (20, 255964), (40, 127982), (80, 63991), (89, 57520), (178, 28760), (356, 14380), (445, 11504), (712, 7190), (719, 7120), (890, 5752), (1424, 3595), (1438, 3560), (1780, 2876)]