200881480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19541}}^1$

素因数の和:19809

約数の個数: 32

約数和(自身を含む): 453765240

約数和(自身を除く): 252883760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 19541, 39082, 78164, 97705, 156328, 195410, 390820, 781640, 5022037, 10044074, 20088148, 25110185, 40176296, 50220370, 100440740, 200881480]

約数ペア:

[(1, 200881480), (2, 100440740), (4, 50220370), (5, 40176296), (8, 25110185), (10, 20088148), (20, 10044074), (40, 5022037), (257, 781640), (514, 390820), (1028, 195410), (1285, 156328), (2056, 97705), (2570, 78164), (5140, 39082), (10280, 19541)]