208730090

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{25801}}^1$

素因数の和:26617

約数の個数: 16

約数和(自身を含む): 376193160

約数和(自身を除く): 167463070

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 25801, 51602, 129005, 258010, 20873009, 41746018, 104365045, 208730090]

約数ペア:

[(1, 208730090), (2, 104365045), (5, 41746018), (10, 20873009), (809, 258010), (1618, 129005), (4045, 51602), (8090, 25801)]