80783800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5689}}^1$

素因数の和:5776

約数の個数: 48

約数和(自身を含む): 190501200

約数和(自身を除く): 109717400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 5689, 7100, 11378, 14200, 22756, 28445, 45512, 56890, 113780, 142225, 227560, 284450, 403919, 568900, 807838, 1137800, 1615676, 2019595, 3231352, 4039190, 8078380, 10097975, 16156760, 20195950, 40391900, 80783800]

約数ペア:

[(1, 80783800), (2, 40391900), (4, 20195950), (5, 16156760), (8, 10097975), (10, 8078380), (20, 4039190), (25, 3231352), (40, 2019595), (50, 1615676), (71, 1137800), (100, 807838), (142, 568900), (200, 403919), (284, 284450), (355, 227560), (568, 142225), (710, 113780), (1420, 56890), (1775, 45512), (2840, 28445), (3550, 22756), (5689, 14200), (7100, 11378)]