40391900

素因数分解:

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

素因数の和:5774

約数の個数: 36

約数和(自身を含む): 88900560

約数和(自身を除く): 48508660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 5689, 7100, 11378, 22756, 28445, 56890, 113780, 142225, 284450, 403919, 568900, 807838, 1615676, 2019595, 4039190, 8078380, 10097975, 20195950, 40391900]

約数ペア:

[(1, 40391900), (2, 20195950), (4, 10097975), (5, 8078380), (10, 4039190), (20, 2019595), (25, 1615676), (50, 807838), (71, 568900), (100, 403919), (142, 284450), (284, 142225), (355, 113780), (710, 56890), (1420, 28445), (1775, 22756), (3550, 11378), (5689, 7100)]