66215810

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{13009}}^1$

素因数の和:13525

約数の個数: 16

約数和(自身を含む): 119431800

約数和(自身を除く): 53215990

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 13009, 26018, 65045, 130090, 6621581, 13243162, 33107905, 66215810]

約数ペア:

[(1, 66215810), (2, 33107905), (5, 13243162), (10, 6621581), (509, 130090), (1018, 65045), (2545, 26018), (5090, 13009)]