25812340

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1321}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 54302472

約数和(自身を除く): 28490132

約数列:

[1, 2, 4, 5, 10, 20, 977, 1321, 1954, 2642, 3908, 4885, 5284, 6605, 9770, 13210, 19540, 26420, 1290617, 2581234, 5162468, 6453085, 12906170, 25812340]

約数ペア:

[(1, 25812340), (2, 12906170), (4, 6453085), (5, 5162468), (10, 2581234), (20, 1290617), (977, 26420), (1321, 19540), (1954, 13210), (2642, 9770), (3908, 6605), (4885, 5284)]