39429680

素因数分解:

$2^4\times 5^1\times {\mathrm{492871}}^1$

素因数の和:492884

約数の個数: 20

約数和(自身を含む): 91674192

約数和(自身を除く): 52244512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492871, 985742, 1971484, 2464355, 3942968, 4928710, 7885936, 9857420, 19714840, 39429680]

約数ペア:

[(1, 39429680), (2, 19714840), (4, 9857420), (5, 7885936), (8, 4928710), (10, 3942968), (16, 2464355), (20, 1971484), (40, 985742), (80, 492871)]