16749680

素因数分解:

$2^4\times 5^1\times {\mathrm{209371}}^1$

素因数の和:209384

約数の個数: 20

約数和(自身を含む): 38943192

約数和(自身を除く): 22193512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209371, 418742, 837484, 1046855, 1674968, 2093710, 3349936, 4187420, 8374840, 16749680]

約数ペア:

[(1, 16749680), (2, 8374840), (4, 4187420), (5, 3349936), (8, 2093710), (10, 1674968), (16, 1046855), (20, 837484), (40, 418742), (80, 209371)]