1325020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 2815344

約数和(自身を除く): 1490324

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 683, 970, 1366, 1940, 2732, 3415, 6830, 13660, 66251, 132502, 265004, 331255, 662510, 1325020]

約数ペア:

[(1, 1325020), (2, 662510), (4, 331255), (5, 265004), (10, 132502), (20, 66251), (97, 13660), (194, 6830), (388, 3415), (485, 2732), (683, 1940), (970, 1366)]