20161002940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77542319}}^1$

素因数の和:77542341

約数の個数: 24

約数和(自身を含む): 45594884160

約数和(自身を除く): 25433881220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77542319, 155084638, 310169276, 387711595, 775423190, 1008050147, 1550846380, 2016100294, 4032200588, 5040250735, 10080501470, 20161002940]

約数ペア:

[(1, 20161002940), (2, 10080501470), (4, 5040250735), (5, 4032200588), (10, 2016100294), (13, 1550846380), (20, 1008050147), (26, 775423190), (52, 387711595), (65, 310169276), (130, 155084638), (260, 77542319)]