139087120

素因数分解:

$2^4\times 5^1\times {\mathrm{1738589}}^1$

素因数の和:1738602

約数の個数: 20

約数和(自身を含む): 323377740

約数和(自身を除く): 184290620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1738589, 3477178, 6954356, 8692945, 13908712, 17385890, 27817424, 34771780, 69543560, 139087120]

約数ペア:

[(1, 139087120), (2, 69543560), (4, 34771780), (5, 27817424), (8, 17385890), (10, 13908712), (16, 8692945), (20, 6954356), (40, 3477178), (80, 1738589)]