187442060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{720931}}^1$

素因数の和:720953

約数の個数: 24

約数和(自身を含む): 423908016

約数和(自身を除く): 236465956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 720931, 1441862, 2883724, 3604655, 7209310, 9372103, 14418620, 18744206, 37488412, 46860515, 93721030, 187442060]

約数ペア:

[(1, 187442060), (2, 93721030), (4, 46860515), (5, 37488412), (10, 18744206), (13, 14418620), (20, 9372103), (26, 7209310), (52, 3604655), (65, 2883724), (130, 1441862), (260, 720931)]