7971580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 16828560

約数和(自身を除く): 8856980

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 1889, 2110, 3778, 4220, 7556, 9445, 18890, 37780, 398579, 797158, 1594316, 1992895, 3985790, 7971580]

約数ペア:

[(1, 7971580), (2, 3985790), (4, 1992895), (5, 1594316), (10, 797158), (20, 398579), (211, 37780), (422, 18890), (844, 9445), (1055, 7556), (1889, 4220), (2110, 3778)]