205546960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20231}}^1$

素因数の和:20371

約数の個数: 40

約数和(自身を含む): 481683456

約数和(自身を除く): 276136496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20231, 40462, 80924, 101155, 161848, 202310, 323696, 404620, 809240, 1618480, 2569337, 5138674, 10277348, 12846685, 20554696, 25693370, 41109392, 51386740, 102773480, 205546960]

約数ペア:

[(1, 205546960), (2, 102773480), (4, 51386740), (5, 41109392), (8, 25693370), (10, 20554696), (16, 12846685), (20, 10277348), (40, 5138674), (80, 2569337), (127, 1618480), (254, 809240), (508, 404620), (635, 323696), (1016, 202310), (1270, 161848), (2032, 101155), (2540, 80924), (5080, 40462), (10160, 20231)]