16401740

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3191}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 34588512

約数和(自身を除く): 18186772

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3191, 5140, 6382, 12764, 15955, 31910, 63820, 820087, 1640174, 3280348, 4100435, 8200870, 16401740]

約数ペア:

[(1, 16401740), (2, 8200870), (4, 4100435), (5, 3280348), (10, 1640174), (20, 820087), (257, 63820), (514, 31910), (1028, 15955), (1285, 12764), (2570, 6382), (3191, 5140)]