7458620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28687}}^1$

素因数の和:28709

約数の個数: 24

約数和(自身を含む): 16868544

約数和(自身を除く): 9409924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28687, 57374, 114748, 143435, 286870, 372931, 573740, 745862, 1491724, 1864655, 3729310, 7458620]

約数ペア:

[(1, 7458620), (2, 3729310), (4, 1864655), (5, 1491724), (10, 745862), (13, 573740), (20, 372931), (26, 286870), (52, 143435), (65, 114748), (130, 57374), (260, 28687)]