2005458440

素因数分解:

$2^3\times 5^1\times {\mathrm{50136461}}^1$

素因数の和:50136472

約数の個数: 16

約数和(自身を含む): 4512281580

約数和(自身を除く): 2506823140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50136461, 100272922, 200545844, 250682305, 401091688, 501364610, 1002729220, 2005458440]

約数ペア:

[(1, 2005458440), (2, 1002729220), (4, 501364610), (5, 401091688), (8, 250682305), (10, 200545844), (20, 100272922), (40, 50136461)]