40529540

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2087}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 85240512

約数和(自身を除く): 44710972

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 2087, 3884, 4174, 4855, 8348, 9710, 10435, 19420, 20870, 41740, 2026477, 4052954, 8105908, 10132385, 20264770, 40529540]

約数ペア:

[(1, 40529540), (2, 20264770), (4, 10132385), (5, 8105908), (10, 4052954), (20, 2026477), (971, 41740), (1942, 20870), (2087, 19420), (3884, 10435), (4174, 9710), (4855, 8348)]