168406960

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8191}}^1$

素因数の和:8461

約数の個数: 40

約数和(自身を含む): 393117696

約数和(自身を除く): 224710736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 8191, 10280, 16382, 20560, 32764, 40955, 65528, 81910, 131056, 163820, 327640, 655280, 2105087, 4210174, 8420348, 10525435, 16840696, 21050870, 33681392, 42101740, 84203480, 168406960]

約数ペア:

[(1, 168406960), (2, 84203480), (4, 42101740), (5, 33681392), (8, 21050870), (10, 16840696), (16, 10525435), (20, 8420348), (40, 4210174), (80, 2105087), (257, 655280), (514, 327640), (1028, 163820), (1285, 131056), (2056, 81910), (2570, 65528), (4112, 40955), (5140, 32764), (8191, 20560), (10280, 16382)]