13239830

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2003}}^1$

素因数の和:2671

約数の個数: 16

約数和(自身を含む): 23879664

約数和(自身を除く): 10639834

約数列:

[1, 2, 5, 10, 661, 1322, 2003, 3305, 4006, 6610, 10015, 20030, 1323983, 2647966, 6619915, 13239830]

約数ペア:

[(1, 13239830), (2, 6619915), (5, 2647966), (10, 1323983), (661, 20030), (1322, 10015), (2003, 6610), (3305, 4006)]