159149740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{78787}}^1$

素因数の和:78897

約数の個数: 24

約数和(自身を含む): 337527792

約数和(自身を除く): 178378052

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 78787, 157574, 315148, 393935, 787870, 1575740, 7957487, 15914974, 31829948, 39787435, 79574870, 159149740]

約数ペア:

[(1, 159149740), (2, 79574870), (4, 39787435), (5, 31829948), (10, 15914974), (20, 7957487), (101, 1575740), (202, 787870), (404, 393935), (505, 315148), (1010, 157574), (2020, 78787)]