15749680

素因数分解:

$2^4\times 5^1\times {\mathrm{196871}}^1$

素因数の和:196884

約数の個数: 20

約数和(自身を含む): 36618192

約数和(自身を除く): 20868512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196871, 393742, 787484, 984355, 1574968, 1968710, 3149936, 3937420, 7874840, 15749680]

約数ペア:

[(1, 15749680), (2, 7874840), (4, 3937420), (5, 3149936), (8, 1968710), (10, 1574968), (16, 984355), (20, 787484), (40, 393742), (80, 196871)]