13132420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4937}}^1$

素因数の和:4972

約数の個数: 48

約数和(自身を含む): 33183360

約数和(自身を除く): 20050940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4937, 9874, 19748, 24685, 34559, 49370, 69118, 93803, 98740, 138236, 172795, 187606, 345590, 375212, 469015, 656621, 691180, 938030, 1313242, 1876060, 2626484, 3283105, 6566210, 13132420]

約数ペア:

[(1, 13132420), (2, 6566210), (4, 3283105), (5, 2626484), (7, 1876060), (10, 1313242), (14, 938030), (19, 691180), (20, 656621), (28, 469015), (35, 375212), (38, 345590), (70, 187606), (76, 172795), (95, 138236), (133, 98740), (140, 93803), (190, 69118), (266, 49370), (380, 34559), (532, 24685), (665, 19748), (1330, 9874), (2660, 4937)]