2003401520

素因数分解:

$2^4\times 5^1\times {\mathrm{25042519}}^1$

素因数の和:25042532

約数の個数: 20

約数和(自身を含む): 4657908720

約数和(自身を除く): 2654507200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25042519, 50085038, 100170076, 125212595, 200340152, 250425190, 400680304, 500850380, 1001700760, 2003401520]

約数ペア:

[(1, 2003401520), (2, 1001700760), (4, 500850380), (5, 400680304), (8, 250425190), (10, 200340152), (16, 125212595), (20, 100170076), (40, 50085038), (80, 25042519)]