51996680

素因数分解:

$2^3\times 5^1\times {\mathrm{1299917}}^1$

素因数の和:1299928

約数の個数: 16

約数和(自身を含む): 116992620

約数和(自身を除く): 64995940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1299917, 2599834, 5199668, 6499585, 10399336, 12999170, 25998340, 51996680]

約数ペア:

[(1, 51996680), (2, 25998340), (4, 12999170), (5, 10399336), (8, 6499585), (10, 5199668), (20, 2599834), (40, 1299917)]