7881380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30313}}^1$

素因数の和:30335

約数の個数: 24

約数和(自身を含む): 17824632

約数和(自身を除く): 9943252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30313, 60626, 121252, 151565, 303130, 394069, 606260, 788138, 1576276, 1970345, 3940690, 7881380]

約数ペア:

[(1, 7881380), (2, 3940690), (4, 1970345), (5, 1576276), (10, 788138), (13, 606260), (20, 394069), (26, 303130), (52, 151565), (65, 121252), (130, 60626), (260, 30313)]