3919220

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1543}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 8300544

約数和(自身を除く): 4381324

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1543, 2540, 3086, 6172, 7715, 15430, 30860, 195961, 391922, 783844, 979805, 1959610, 3919220]

約数ペア:

[(1, 3919220), (2, 1959610), (4, 979805), (5, 783844), (10, 391922), (20, 195961), (127, 30860), (254, 15430), (508, 7715), (635, 6172), (1270, 3086), (1543, 2540)]