61980760

素因数分解:

$2^3\times 5^1\times {\mathrm{1549519}}^1$

素因数の和:1549530

約数の個数: 16

約数和(自身を含む): 139456800

約数和(自身を除く): 77476040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1549519, 3099038, 6198076, 7747595, 12396152, 15495190, 30990380, 61980760]

約数ペア:

[(1, 61980760), (2, 30990380), (4, 15495190), (5, 12396152), (8, 7747595), (10, 6198076), (20, 3099038), (40, 1549519)]