2017951780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7761353}}^1$

素因数の和:7761375

約数の個数: 24

約数和(自身を含む): 4563676152

約数和(自身を除く): 2545724372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7761353, 15522706, 31045412, 38806765, 77613530, 100897589, 155227060, 201795178, 403590356, 504487945, 1008975890, 2017951780]

約数ペア:

[(1, 2017951780), (2, 1008975890), (4, 504487945), (5, 403590356), (10, 201795178), (13, 155227060), (20, 100897589), (26, 77613530), (52, 38806765), (65, 31045412), (130, 15522706), (260, 7761353)]