6578780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25303}}^1$

素因数の和:25325

約数の個数: 24

約数和(自身を含む): 14878752

約数和(自身を除く): 8299972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25303, 50606, 101212, 126515, 253030, 328939, 506060, 657878, 1315756, 1644695, 3289390, 6578780]

約数ペア:

[(1, 6578780), (2, 3289390), (4, 1644695), (5, 1315756), (10, 657878), (13, 506060), (20, 328939), (26, 253030), (52, 126515), (65, 101212), (130, 50606), (260, 25303)]