40000030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4264

約数の個数: 32

約数和(自身を含む): 82897920

約数和(自身を除く): 42897890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4111, 4865, 8222, 9730, 20555, 28777, 41110, 57554, 143885, 287770, 571429, 1142858, 2857145, 4000003, 5714290, 8000006, 20000015, 40000030]

約数ペア:

[(1, 40000030), (2, 20000015), (5, 8000006), (7, 5714290), (10, 4000003), (14, 2857145), (35, 1142858), (70, 571429), (139, 287770), (278, 143885), (695, 57554), (973, 41110), (1390, 28777), (1946, 20555), (4111, 9730), (4865, 8222)]