20155040

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 27962848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1223, 1648, 2060, 2446, 3296, 4120, 4892, 6115, 8240, 9784, 12230, 16480, 19568, 24460, 39136, 48920, 97840, 125969, 195680, 251938, 503876, 629845, 1007752, 1259690, 2015504, 2519380, 4031008, 5038760, 10077520, 20155040]

約数ペア:

[(1, 20155040), (2, 10077520), (4, 5038760), (5, 4031008), (8, 2519380), (10, 2015504), (16, 1259690), (20, 1007752), (32, 629845), (40, 503876), (80, 251938), (103, 195680), (160, 125969), (206, 97840), (412, 48920), (515, 39136), (824, 24460), (1030, 19568), (1223, 16480), (1648, 12230), (2060, 9784), (2446, 8240), (3296, 6115), (4120, 4892)]