40029520

素因数分解:

$2^4\times 5^1\times {\mathrm{500369}}^1$

素因数の和:500382

約数の個数: 20

約数和(自身を含む): 93068820

約数和(自身を除く): 53039300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500369, 1000738, 2001476, 2501845, 4002952, 5003690, 8005904, 10007380, 20014760, 40029520]

約数ペア:

[(1, 40029520), (2, 20014760), (4, 10007380), (5, 8005904), (8, 5003690), (10, 4002952), (16, 2501845), (20, 2001476), (40, 1000738), (80, 500369)]