31424560

素因数分解:

$2^4\times 5^1\times {\mathrm{392807}}^1$

素因数の和:392820

約数の個数: 20

約数和(自身を含む): 73062288

約数和(自身を除く): 41637728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392807, 785614, 1571228, 1964035, 3142456, 3928070, 6284912, 7856140, 15712280, 31424560]

約数ペア:

[(1, 31424560), (2, 15712280), (4, 7856140), (5, 6284912), (8, 3928070), (10, 3142456), (16, 1964035), (20, 1571228), (40, 785614), (80, 392807)]