2055440

素因数分解:

$2^4\times 5^1\times {\mathrm{25693}}^1$

素因数の和:25706

約数の個数: 20

約数和(自身を含む): 4779084

約数和(自身を除く): 2723644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25693, 51386, 102772, 128465, 205544, 256930, 411088, 513860, 1027720, 2055440]

約数ペア:

[(1, 2055440), (2, 1027720), (4, 513860), (5, 411088), (8, 256930), (10, 205544), (16, 128465), (20, 102772), (40, 51386), (80, 25693)]