2030555440

素因数分解:

$2^4\times 5^1\times {\mathrm{25381943}}^1$

素因数の和:25381956

約数の個数: 20

約数和(自身を含む): 4721041584

約数和(自身を除く): 2690486144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25381943, 50763886, 101527772, 126909715, 203055544, 253819430, 406111088, 507638860, 1015277720, 2030555440]

約数ペア:

[(1, 2030555440), (2, 1015277720), (4, 507638860), (5, 406111088), (8, 253819430), (10, 203055544), (16, 126909715), (20, 101527772), (40, 50763886), (80, 25381943)]