166819760

素因数分解:

$2^4\times 5^1\times {\mathrm{2085247}}^1$

素因数の和:2085260

約数の個数: 20

約数和(自身を含む): 387856128

約数和(自身を除く): 221036368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2085247, 4170494, 8340988, 10426235, 16681976, 20852470, 33363952, 41704940, 83409880, 166819760]

約数ペア:

[(1, 166819760), (2, 83409880), (4, 41704940), (5, 33363952), (8, 20852470), (10, 16681976), (16, 10426235), (20, 8340988), (40, 4170494), (80, 2085247)]