20128920110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5003}}^1\times {\mathrm{30949}}^1$

素因数の和:35972

約数の個数: 32

約数和(自身を含む): 39028197600

約数和(自身を除く): 18899277490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5003, 10006, 25015, 30949, 50030, 61898, 65039, 130078, 154745, 309490, 325195, 402337, 650390, 804674, 2011685, 4023370, 154837847, 309675694, 774189235, 1548378470, 2012892011, 4025784022, 10064460055, 20128920110]

約数ペア:

[(1, 20128920110), (2, 10064460055), (5, 4025784022), (10, 2012892011), (13, 1548378470), (26, 774189235), (65, 309675694), (130, 154837847), (5003, 4023370), (10006, 2011685), (25015, 804674), (30949, 650390), (50030, 402337), (61898, 325195), (65039, 309490), (130078, 154745)]