56808280

素因数分解:

$2^3\times 5^1\times {\mathrm{1420207}}^1$

素因数の和:1420218

約数の個数: 16

約数和(自身を含む): 127818720

約数和(自身を除く): 71010440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1420207, 2840414, 5680828, 7101035, 11361656, 14202070, 28404140, 56808280]

約数ペア:

[(1, 56808280), (2, 28404140), (4, 14202070), (5, 11361656), (8, 7101035), (10, 5680828), (20, 2840414), (40, 1420207)]