53403220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205397}}^1$

素因数の和:205419

約数の個数: 24

約数和(自身を含む): 120774024

約数和(自身を除く): 67370804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 205397, 410794, 821588, 1026985, 2053970, 2670161, 4107940, 5340322, 10680644, 13350805, 26701610, 53403220]

約数ペア:

[(1, 53403220), (2, 26701610), (4, 13350805), (5, 10680644), (10, 5340322), (13, 4107940), (20, 2670161), (26, 2053970), (52, 1026985), (65, 821588), (130, 410794), (260, 205397)]