13120210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9439}}^1$

素因数の和:9585

約数の個数: 16

約数和(自身を含む): 23788800

約数和(自身を除く): 10668590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 9439, 18878, 47195, 94390, 1312021, 2624042, 6560105, 13120210]

約数ペア:

[(1, 13120210), (2, 6560105), (5, 2624042), (10, 1312021), (139, 94390), (278, 47195), (695, 18878), (1390, 9439)]