78039680

素因数分解:

$2^7\times 5^1\times {\mathrm{121937}}^1$

素因数の和:121956

約数の個数: 32

約数和(自身を含む): 186565140

約数和(自身を除く): 108525460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121937, 243874, 487748, 609685, 975496, 1219370, 1950992, 2438740, 3901984, 4877480, 7803968, 9754960, 15607936, 19509920, 39019840, 78039680]

約数ペア:

[(1, 78039680), (2, 39019840), (4, 19509920), (5, 15607936), (8, 9754960), (10, 7803968), (16, 4877480), (20, 3901984), (32, 2438740), (40, 1950992), (64, 1219370), (80, 975496), (128, 609685), (160, 487748), (320, 243874), (640, 121937)]