54490540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209579}}^1$

素因数の和:209601

約数の個数: 24

約数和(自身を含む): 123233040

約数和(自身を除く): 68742500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 209579, 419158, 838316, 1047895, 2095790, 2724527, 4191580, 5449054, 10898108, 13622635, 27245270, 54490540]

約数ペア:

[(1, 54490540), (2, 27245270), (4, 13622635), (5, 10898108), (10, 5449054), (13, 4191580), (20, 2724527), (26, 2095790), (52, 1047895), (65, 838316), (130, 419158), (260, 209579)]