51844880

素因数分解:

$2^4\times 5^1\times {\mathrm{648061}}^1$

素因数の和:648074

約数の個数: 20

約数和(自身を含む): 120539532

約数和(自身を除く): 68694652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648061, 1296122, 2592244, 3240305, 5184488, 6480610, 10368976, 12961220, 25922440, 51844880]

約数ペア:

[(1, 51844880), (2, 25922440), (4, 12961220), (5, 10368976), (8, 6480610), (10, 5184488), (16, 3240305), (20, 2592244), (40, 1296122), (80, 648061)]