2540950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 4787640

約数和(自身を除く): 2246690

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 571, 890, 1142, 2225, 2855, 4450, 5710, 14275, 28550, 50819, 101638, 254095, 508190, 1270475, 2540950]

約数ペア:

[(1, 2540950), (2, 1270475), (5, 508190), (10, 254095), (25, 101638), (50, 50819), (89, 28550), (178, 14275), (445, 5710), (571, 4450), (890, 2855), (1142, 2225)]