15661253890

素因数分解:

$2^1\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{749701}}^1$

素因数の和:751797

約数の個数: 16

約数和(自身を含む): 28203789240

約数和(自身を除く): 12542535350

約数列:

[1, 2, 5, 10, 2089, 4178, 10445, 20890, 749701, 1499402, 3748505, 7497010, 1566125389, 3132250778, 7830626945, 15661253890]

約数ペア:

[(1, 15661253890), (2, 7830626945), (5, 3132250778), (10, 1566125389), (2089, 7497010), (4178, 3748505), (10445, 1499402), (20890, 749701)]