40738180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290987}}^1$

素因数の和:291003

約数の個数: 24

約数和(自身を含む): 97771968

約数和(自身を除く): 57033788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290987, 581974, 1163948, 1454935, 2036909, 2909870, 4073818, 5819740, 8147636, 10184545, 20369090, 40738180]

約数ペア:

[(1, 40738180), (2, 20369090), (4, 10184545), (5, 8147636), (7, 5819740), (10, 4073818), (14, 2909870), (20, 2036909), (28, 1454935), (35, 1163948), (70, 581974), (140, 290987)]