26320390

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{5171}}^1$

素因数の和:5687

約数の個数: 16

約数和(自身を含む): 47478960

約数和(自身を除く): 21158570

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 5171, 10342, 25855, 51710, 2632039, 5264078, 13160195, 26320390]

約数ペア:

[(1, 26320390), (2, 13160195), (5, 5264078), (10, 2632039), (509, 51710), (1018, 25855), (2545, 10342), (5090, 5171)]