398804547440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383465911}}^1$

素因数の和:383465937

約数の個数: 40

約数和(自身を含む): 998545234848

約数和(自身を除く): 599740687408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 383465911, 766931822, 1533863644, 1917329555, 3067727288, 3834659110, 4985056843, 6135454576, 7669318220, 9970113686, 15338636440, 19940227372, 24925284215, 30677272880, 39880454744, 49850568430, 79760909488, 99701136860, 199402273720, 398804547440]

約数ペア:

[(1, 398804547440), (2, 199402273720), (4, 99701136860), (5, 79760909488), (8, 49850568430), (10, 39880454744), (13, 30677272880), (16, 24925284215), (20, 19940227372), (26, 15338636440), (40, 9970113686), (52, 7669318220), (65, 6135454576), (80, 4985056843), (104, 3834659110), (130, 3067727288), (208, 1917329555), (260, 1533863644), (520, 766931822), (1040, 383465911)]