7134400520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13720001}}^1$

素因数の和:13720025

約数の個数: 32

約数和(自身を含む): 17287202520

約数和(自身を除く): 10152802000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13720001, 27440002, 54880004, 68600005, 109760008, 137200010, 178360013, 274400020, 356720026, 548800040, 713440052, 891800065, 1426880104, 1783600130, 3567200260, 7134400520]

約数ペア:

[(1, 7134400520), (2, 3567200260), (4, 1783600130), (5, 1426880104), (8, 891800065), (10, 713440052), (13, 548800040), (20, 356720026), (26, 274400020), (40, 178360013), (52, 137200010), (65, 109760008), (104, 68600005), (130, 54880004), (260, 27440002), (520, 13720001)]