13921641520

素因数分解:

$2^4\times 5^1\times {\mathrm{174020519}}^1$

素因数の和:174020532

約数の個数: 20

約数和(自身を含む): 32367816720

約数和(自身を除く): 18446175200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 174020519, 348041038, 696082076, 870102595, 1392164152, 1740205190, 2784328304, 3480410380, 6960820760, 13921641520]

約数ペア:

[(1, 13921641520), (2, 6960820760), (4, 3480410380), (5, 2784328304), (8, 1740205190), (10, 1392164152), (16, 870102595), (20, 696082076), (40, 348041038), (80, 174020519)]