87510620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 187342848

約数和(自身を除く): 99832228

約数列:

[1, 2, 4, 5, 10, 20, 127, 131, 254, 262, 263, 508, 524, 526, 635, 655, 1052, 1270, 1310, 1315, 2540, 2620, 2630, 5260, 16637, 33274, 33401, 34453, 66548, 66802, 68906, 83185, 133604, 137812, 166370, 167005, 172265, 332740, 334010, 344530, 668020, 689060, 4375531, 8751062, 17502124, 21877655, 43755310, 87510620]

約数ペア:

[(1, 87510620), (2, 43755310), (4, 21877655), (5, 17502124), (10, 8751062), (20, 4375531), (127, 689060), (131, 668020), (254, 344530), (262, 334010), (263, 332740), (508, 172265), (524, 167005), (526, 166370), (635, 137812), (655, 133604), (1052, 83185), (1270, 68906), (1310, 66802), (1315, 66548), (2540, 34453), (2620, 33401), (2630, 33274), (5260, 16637)]