8177260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4493}}^1$

素因数の和:4522

約数の個数: 48

約数和(自身を含む): 21139776

約数和(自身を除く): 12962516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4493, 8986, 17972, 22465, 31451, 44930, 58409, 62902, 89860, 116818, 125804, 157255, 233636, 292045, 314510, 408863, 584090, 629020, 817726, 1168180, 1635452, 2044315, 4088630, 8177260]

約数ペア:

[(1, 8177260), (2, 4088630), (4, 2044315), (5, 1635452), (7, 1168180), (10, 817726), (13, 629020), (14, 584090), (20, 408863), (26, 314510), (28, 292045), (35, 233636), (52, 157255), (65, 125804), (70, 116818), (91, 89860), (130, 62902), (140, 58409), (182, 44930), (260, 31451), (364, 22465), (455, 17972), (910, 8986), (1820, 4493)]