40320685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{907}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 51385536

約数和(自身を除く): 11064851

約数列:

[1, 5, 17, 85, 523, 907, 2615, 4535, 8891, 15419, 44455, 77095, 474361, 2371805, 8064137, 40320685]

約数ペア:

[(1, 40320685), (5, 8064137), (17, 2371805), (85, 474361), (523, 77095), (907, 44455), (2615, 15419), (4535, 8891)]