164510440

素因数分解:

$2^3\times 5^1\times {\mathrm{4112761}}^1$

素因数の和:4112772

約数の個数: 16

約数和(自身を含む): 370148580

約数和(自身を除く): 205638140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4112761, 8225522, 16451044, 20563805, 32902088, 41127610, 82255220, 164510440]

約数ペア:

[(1, 164510440), (2, 82255220), (4, 41127610), (5, 32902088), (8, 20563805), (10, 16451044), (20, 8225522), (40, 4112761)]