519565540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1998329}}^1$

素因数の和:1998351

約数の個数: 24

約数和(自身を含む): 1175018040

約数和(自身を除く): 655452500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1998329, 3996658, 7993316, 9991645, 19983290, 25978277, 39966580, 51956554, 103913108, 129891385, 259782770, 519565540]

約数ペア:

[(1, 519565540), (2, 259782770), (4, 129891385), (5, 103913108), (10, 51956554), (13, 39966580), (20, 25978277), (26, 19983290), (52, 9991645), (65, 7993316), (130, 3996658), (260, 1998329)]