201084140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{20477}}^1$

素因数の和:20977

約数の個数: 24

約数和(自身を含む): 423157392

約数和(自身を除く): 222073252

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 20477, 40954, 81908, 102385, 204770, 409540, 10054207, 20108414, 40216828, 50271035, 100542070, 201084140]

約数ペア:

[(1, 201084140), (2, 100542070), (4, 50271035), (5, 40216828), (10, 20108414), (20, 10054207), (491, 409540), (982, 204770), (1964, 102385), (2455, 81908), (4910, 40954), (9820, 20477)]