165724880

素因数分解:

$2^4\times 5^1\times {\mathrm{2071561}}^1$

素因数の和:2071574

約数の個数: 20

約数和(自身を含む): 385310532

約数和(自身を除く): 219585652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2071561, 4143122, 8286244, 10357805, 16572488, 20715610, 33144976, 41431220, 82862440, 165724880]

約数ペア:

[(1, 165724880), (2, 82862440), (4, 41431220), (5, 33144976), (8, 20715610), (10, 16572488), (16, 10357805), (20, 8286244), (40, 4143122), (80, 2071561)]