25739540

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1901}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 54161352

約数和(自身を除く): 28421812

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 1901, 2708, 3385, 3802, 6770, 7604, 9505, 13540, 19010, 38020, 1286977, 2573954, 5147908, 6434885, 12869770, 25739540]

約数ペア:

[(1, 25739540), (2, 12869770), (4, 6434885), (5, 5147908), (10, 2573954), (20, 1286977), (677, 38020), (1354, 19010), (1901, 13540), (2708, 9505), (3385, 7604), (3802, 6770)]