40661360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4663}}^1$

素因数の和:4785

約数の個数: 40

約数和(自身を含む): 95425440

約数和(自身を除く): 54764080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4663, 8720, 9326, 18652, 23315, 37304, 46630, 74608, 93260, 186520, 373040, 508267, 1016534, 2033068, 2541335, 4066136, 5082670, 8132272, 10165340, 20330680, 40661360]

約数ペア:

[(1, 40661360), (2, 20330680), (4, 10165340), (5, 8132272), (8, 5082670), (10, 4066136), (16, 2541335), (20, 2033068), (40, 1016534), (80, 508267), (109, 373040), (218, 186520), (436, 93260), (545, 74608), (872, 46630), (1090, 37304), (1744, 23315), (2180, 18652), (4360, 9326), (4663, 8720)]