20163690040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38776327}}^1$

素因数の和:38776351

約数の個数: 32

約数和(自身を含む): 48858173280

約数和(自身を除く): 28694483240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38776327, 77552654, 155105308, 193881635, 310210616, 387763270, 504092251, 775526540, 1008184502, 1551053080, 2016369004, 2520461255, 4032738008, 5040922510, 10081845020, 20163690040]

約数ペア:

[(1, 20163690040), (2, 10081845020), (4, 5040922510), (5, 4032738008), (8, 2520461255), (10, 2016369004), (13, 1551053080), (20, 1008184502), (26, 775526540), (40, 504092251), (52, 387763270), (65, 310210616), (104, 193881635), (130, 155105308), (260, 77552654), (520, 38776327)]