25401140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30977}}^1$

素因数の和:31027

約数の個数: 24

約数和(自身を含む): 54645192

約数和(自身を除く): 29244052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30977, 61954, 123908, 154885, 309770, 619540, 1270057, 2540114, 5080228, 6350285, 12700570, 25401140]

約数ペア:

[(1, 25401140), (2, 12700570), (4, 6350285), (5, 5080228), (10, 2540114), (20, 1270057), (41, 619540), (82, 309770), (164, 154885), (205, 123908), (410, 61954), (820, 30977)]