80496620

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{5417}}^1$

素因数の和:6169

約数の個数: 24

約数和(自身を含む): 169301664

約数和(自身を除く): 88805044

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 5417, 7430, 10834, 14860, 21668, 27085, 54170, 108340, 4024831, 8049662, 16099324, 20124155, 40248310, 80496620]

約数ペア:

[(1, 80496620), (2, 40248310), (4, 20124155), (5, 16099324), (10, 8049662), (20, 4024831), (743, 108340), (1486, 54170), (2972, 27085), (3715, 21668), (5417, 14860), (7430, 10834)]