20126039680

素因数分解:

$2^7\times 5^1\times {\mathrm{31446937}}^1$

素因数の和:31446956

約数の個数: 32

約数和(自身を含む): 48113815140

約数和(自身を除く): 27987775460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31446937, 62893874, 125787748, 157234685, 251575496, 314469370, 503150992, 628938740, 1006301984, 1257877480, 2012603968, 2515754960, 4025207936, 5031509920, 10063019840, 20126039680]

約数ペア:

[(1, 20126039680), (2, 10063019840), (4, 5031509920), (5, 4025207936), (8, 2515754960), (10, 2012603968), (16, 1257877480), (20, 1006301984), (32, 628938740), (40, 503150992), (64, 314469370), (80, 251575496), (128, 157234685), (160, 125787748), (320, 62893874), (640, 31446937)]