11478220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 26234208

約数和(自身を除く): 14755988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 337, 524, 655, 674, 1310, 1348, 1685, 1703, 2620, 3370, 3406, 4381, 6740, 6812, 8515, 8762, 17030, 17524, 21905, 34060, 43810, 44147, 87620, 88294, 176588, 220735, 441470, 573911, 882940, 1147822, 2295644, 2869555, 5739110, 11478220]

約数ペア:

[(1, 11478220), (2, 5739110), (4, 2869555), (5, 2295644), (10, 1147822), (13, 882940), (20, 573911), (26, 441470), (52, 220735), (65, 176588), (130, 88294), (131, 87620), (260, 44147), (262, 43810), (337, 34060), (524, 21905), (655, 17524), (674, 17030), (1310, 8762), (1348, 8515), (1685, 6812), (1703, 6740), (2620, 4381), (3370, 3406)]