39949540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19777}}^1$

素因数の和:19887

約数の個数: 24

約数和(自身を含む): 84728952

約数和(自身を除く): 44779412

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 19777, 39554, 79108, 98885, 197770, 395540, 1997477, 3994954, 7989908, 9987385, 19974770, 39949540]

約数ペア:

[(1, 39949540), (2, 19974770), (4, 9987385), (5, 7989908), (10, 3994954), (20, 1997477), (101, 395540), (202, 197770), (404, 98885), (505, 79108), (1010, 39554), (2020, 19777)]