179613640

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{4049}}^1$

素因数の和:5169

約数の個数: 32

約数和(自身を含む): 404595000

約数和(自身を除く): 224981360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4049, 4436, 5545, 8098, 8872, 11090, 16196, 20245, 22180, 32392, 40490, 44360, 80980, 161960, 4490341, 8980682, 17961364, 22451705, 35922728, 44903410, 89806820, 179613640]

約数ペア:

[(1, 179613640), (2, 89806820), (4, 44903410), (5, 35922728), (8, 22451705), (10, 17961364), (20, 8980682), (40, 4490341), (1109, 161960), (2218, 80980), (4049, 44360), (4436, 40490), (5545, 32392), (8098, 22180), (8872, 20245), (11090, 16196)]