285989680

素因数分解:

$2^4\times 5^1\times {\mathrm{3574871}}^1$

素因数の和:3574884

約数の個数: 20

約数和(自身を含む): 664926192

約数和(自身を除く): 378936512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3574871, 7149742, 14299484, 17874355, 28598968, 35748710, 57197936, 71497420, 142994840, 285989680]

約数ペア:

[(1, 285989680), (2, 142994840), (4, 71497420), (5, 57197936), (8, 35748710), (10, 28598968), (16, 17874355), (20, 14299484), (40, 7149742), (80, 3574871)]