42208640

素因数分解:

$2^7\times 5^1\times {\mathrm{65951}}^1$

素因数の和:65970

約数の個数: 32

約数和(自身を含む): 100906560

約数和(自身を除く): 58697920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65951, 131902, 263804, 329755, 527608, 659510, 1055216, 1319020, 2110432, 2638040, 4220864, 5276080, 8441728, 10552160, 21104320, 42208640]

約数ペア:

[(1, 42208640), (2, 21104320), (4, 10552160), (5, 8441728), (8, 5276080), (10, 4220864), (16, 2638040), (20, 2110432), (32, 1319020), (40, 1055216), (64, 659510), (80, 527608), (128, 329755), (160, 263804), (320, 131902), (640, 65951)]