104390810

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{20509}}^1$

素因数の和:21025

約数の個数: 16

約数和(自身を含む): 188281800

約数和(自身を除く): 83890990

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 20509, 41018, 102545, 205090, 10439081, 20878162, 52195405, 104390810]

約数ペア:

[(1, 104390810), (2, 52195405), (5, 20878162), (10, 10439081), (509, 205090), (1018, 102545), (2545, 41018), (5090, 20509)]