25551980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{6689}}^1$

素因数の和:6889

約数の個数: 24

約数和(自身を含む): 53948160

約数和(自身を除く): 28396180

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 6689, 13378, 26756, 33445, 66890, 133780, 1277599, 2555198, 5110396, 6387995, 12775990, 25551980]

約数ペア:

[(1, 25551980), (2, 12775990), (4, 6387995), (5, 5110396), (10, 2555198), (20, 1277599), (191, 133780), (382, 66890), (764, 33445), (955, 26756), (1910, 13378), (3820, 6689)]