40203440

素因数分解:

$2^4\times 5^1\times {\mathrm{502543}}^1$

素因数の和:502556

約数の個数: 20

約数和(自身を含む): 93473184

約数和(自身を除く): 53269744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502543, 1005086, 2010172, 2512715, 4020344, 5025430, 8040688, 10050860, 20101720, 40203440]

約数ペア:

[(1, 40203440), (2, 20101720), (4, 10050860), (5, 8040688), (8, 5025430), (10, 4020344), (16, 2512715), (20, 2010172), (40, 1005086), (80, 502543)]